Turkish Journal of Zoology http://journals.tubitak.gov.tr/zoology/ Research Article Turk J Zool (2014) 38: 444-459 © TÜBİTAK doi:10.3906/zoo-1309-5 Distribution data on the family Melittidae (Hymenoptera) of Turkey with considerations about their importance as pollinators Hikmet ÖZBEK* Department of Plant Protection, Faculty of Agriculture, Atatürk University, Erzurum, Turkey Received: 13.10.2013 Accepted: 10.01.2014 Published Online: 20.05.2014 Printed: 19.06.2014 Abstract: The examination of specimens collected from various parts of Turkey, mainly from East Anatolia, and an overview of the literature allows us to reach the conclusion that the Melittidae of Turkey are represented by 3 genera, Dasypoda (14 species), Macropis (2 species), and Melitta (9 species), with a total of 25 species including Dasypoda toroki Michez, 2004, a new record for the Turkish fauna. Dasypoda hirtipes (Fabricius, 1793), Melitta (Melitta) leporina (Panzer, 1799), and M. dimidiata Morawitz, 1876 are the most widespread and abundant species. Dasypoda friesana Schletterer, 1890; D. longigena Schletterer, 1890; D. patinyi Michez, 2002; D. visnaga (Rossi, 1790); Melitta rasmonti Michez, 2007; M. nigricans Alfken, 1905; M. singular Michez, 2012; M. haemorrhoidalis; and M. melanura (Nylander, 1852) are very rare species and most are known from one locality only. The rest of the species are moderately distributed in Turkey. Five species of Dasypoda and 3 species of Melitta have type localities from Anatolia; of these, D. longigena, M. bicollaris, M. singular, M. rasmonti, and D. warnckei are endemic to Anatolia. New distribution areas were added for each species and the plant species visited were included. Although the genus Dasypoda visits mostly wild flowers, D. hirtipes also frequently visits sunflowers and it is an important pollinator of this plant. In the case of the genus Macropis, females collect oil and pollen from the flowers of Lysimachia (Primulaceae) as larval food. Melitta leporina, M. dimidiata, and M. bicollaris are important pollinators of fodder crops, such as alfalfa, sainfoin, and various clover species and some other legumes. Key words: Hymenoptera, Melittidae, Dasypoda, Macropis, Melitta, fauna, new record, pollinator, Turkey 1. Introduction Bees are in the Apiformes group of Apoidea (Hymenoptera), which is a diverse group of pollen-eaters comprising approximately 18,000 described species (Michener, 2007; Michez et al., 2009). They occur in most ecosystems where they are usually the most important pollinators, and therefore they play a key role in ecosystem function (O’Toole, 1993; Waser and Ollerton, 2006). Currently, 9 bee families are recognized, and Melittidae is one of the smallest bee families with more than 200 species in 14 genera (Engel, 2005; Michener, 2007; Michez et al., 2009, 2012). The family Melittidae includes short-tongued bees. Michener (2007) emphasized that no single character is unique to Melittidae, although the combination of a short, pointed glossa and unspecialized first 2 segments of the labial palpus with a slender, V-shaped lorum; tapering mentum; and elongate, fully exposed middle coxa as in long-tongued bees separates the Melittidae from other short-tongued bee families. *Correspondence: hozbek@atauni.edu.tr 444 Members of this rather small family are found primarily in temperate regions of the northern hemisphere and Africa, the greatest number of genera and species being found in warm xeric areas. Maximal diversity occurs in southern Africa, where all 3 subfamilies occur. The Palearctic region also supports a moderate number of species and genera. In the Nearctic region the family is rare, unknown in tropical America and Australia, as well as in the Indo-Malayan area (Michener, 2007; Michez et al., 2009). Michener (1981) divided the Melittidae into 3 subfamilies: Meganomiinae, Dasypodainae, and Melittinae. Dasypodainae and Melittinae occur in Turkey and Meganomiinae is known from Africa and Arabia only (Michener, 1981), whereas, according to Engel (2001), the Melittidae are subdivided into 4 subfamilies: Dasypodainae, Macropidinae, Meganomiinae, and Melittinae. The Dasypodainae are relatively species-rich, comprising more than 100 species in xeric areas of both the Old World and the Nearctic region (Michener, 2007; Michez et al., 2009, 2010). Dasypoda is the only widespread ÖZBEK / Turk J Zool genus, which occurs from the temperate to the xeric areas of the Palearctic, including Turkey. Dasypoda determines the northern limit of the Dasypodainae to 62°N (Michez et al., 2004a). The other Dasypodainae genera, Capicola Friese, 1911; Eremaphanta Popov, 1940; Hesperapis Cockerell, 1898; and Samba Friese, 1908, are each endemic in different Old World and Nearctic semideserts (Michez and Pauly, 2012). The Melittinae comprise 4 genera: Melitta Kirby, 1802; Macropis Panzer, 1809; Rediviva Friese, 1911; and Redivivoides Michener, 1981 (Michener, 1981). Melitta and Macropis have Holarctic distributions; Melitta is the most widespread and probably one of the most diverse, while Rediviva and Redivivoides are endemic in Africa (Michener, 2007; Michez and Eardley, 2007). Two genera, Macropis and Melitta, occur in Turkey. Some important studies have been conducted on Melittidae in the Palearctic: Quilis (1928) reviewed the Spanish species of Dasypoda. The West Palearctic region of Melittidae was studied by Warncke (1973), who listed 17 Melitta species including 4 new species and several subspecies, 3 Macropis species, and 18 Dasypoda species including 1 new species and several subspecies. The Melittidae species of China and Dasypoda species of European Russia were studied by Wu (1978) and Radchenko and Pesenko (1989), respectively. An annotated account of the species of Dasypoda was provided by Baker (2002), who described D. litigator from Iran. Michez (2002) described D. patinyi from Syria. In a phylogenetic study, Michez et al. (2004b) recognized 4 subgenera. Michez and Pauly (2012) described D. riftensis from Ethiopia. This species was the first record of the genus Dasypoda in sub-Saharan Africa. Most of the genera in Melittidae were revised: Michez et al. (2004a) revised the West Palearctic Dasypoda and recognized 28 species, including 4 new species. Michez and Eardley (2007) provided an overview of the literature and their examination of many specimens from various collections, including type materials, enabled the first monographic revision of the genus Melitta. They listed 43 species, including 2 new ones in the 2 subgenera Melitta s. str. and Cilissa. More recently, Michez et al. (2012) described 4 Melitta species. Michez and Patiny (2005) revised the oilcollecting bee genus Macropis Panzer and described a new species from Laos. Other revisional studies included those on Capicola Friese (Michez et al., 2007a), Eremaphanta Popov (Michez and Patiny, 2006), Hesperapis Cockerell (Stage, 1966; Michener, 1981), Promelitta Warncke (Michez et al., 2007b), Meganomia Cockerell (Michener, 1981), and Rediviva Friese (Whitehead et al., 2008). Studies on the family Melittidae in Turkey are very restricted. Warncke (1973) presented a catalog and key for 38 West Palearctic species. Among them, 15 species (1 Macropis, 8 Dasypoda, and 6 Melitta species) were indicated to occur in Turkey. He described Melitta bicollaris from Erzurum, Dasypoda pyriformis tubera from İçel (Mersin), and D. braccata anatolica from Konya. Recently, additional species were described from Turkey: Dasypoda warnckei Michez, 2004 from Kayseri; Melitta rasmonti Michez, 2007 from Hakkari; and M. singular Michez, 2012 from Nevşehir (Michez et al., 2004a, 2012; Michez and Eardley, 2007). Local researcher Özbek (1976, 1979, 1980, 2008, 2011) highlighted the importance of various Melitta species on the pollination of different fodder crops, such as alfalfa, sainfoin, and red clover. The aim of this paper is to present the latest knowledge of the Turkish Melittidae bees, their geographic distribution, plant species visited, and biogeographical affinities. The present contribution is based on material collected from various parts of Anatolia by the author and his colleagues since the 1960s and literature data. 2. Materials and methods Most of the bee specimens were collected by sweeping with an insect net from various habitats in different localities, mainly in eastern Anatolia, since the 1960s. The catches of bees were made during the flowering periods of plants, between April and September. In addition to bees, the flowering plants that particular bee species visited were noted or the samples were picked. Identification of the bees was verified by comparison with the preserved specimens, which were determined by the late K Warncke, late YA Pesenko, and B Tkalcu at the Entomology Museum of Erzurum, Turkey (EMET). Additionally, the keys provided by Warncke (1973) and Michez et al. (2004a) were followed. Certain undetermined specimens were determined by D Michez. Host-plant data were based on the field records and labels of pinned specimens of EMET. The material mentioned in this study was deposited in the collection of EMET, along with a few specimens deposited in the collection of the American Museum of Natural History (AMNH). 3. Results The examination of the specimens collected from various parts of the country and an overview of the literature allow us to reach the conclusion that the Melittidae of Turkey are represented by 3 genera, Dasypoda (14 species), Macropis (2 species), and Melitta (9 species), with a total of 25 species. 3.1. Genus Dasypoda Latreille, 1802 The genus Dasypoda is characterized by the presence of only 2 submarginal cells on the fore wing and a welldeveloped scopa of the female hind leg, black body, vertex elevated, no basitibial plate (Michener 1981; Michez et al., 2004a, 2004b). Michez et al. (2004b) described 4 subgenera based on morphological cladistic analysis: Dasypoda s. st.; Heterodasypoda Michez, 2004; Microdasypoda Michez, 445 ÖZBEK / Turk J Zool 2004; and Megadasypoda Michez, 2004. The diversity centers of each of the 4 subgenera are restricted to 1 of the following parts of the Mediterranean region: the Balkans, Morocco, and Spain (Michez and Pauly, 2012). Michez (2005) listed 33 Dasypoda species that are common in the Palearctic region from Portugal and the Canary Islands to Japan, although most species are West-Palearctic and especially abundant in the Mediterranean basin. 3.1.1. Dasypoda (Dasypoda) hirtipes (Fabricius, 1793) Distribution: Whole of Europe; Asia from Turkey to Mongolia and China; North Africa (Warncke, 1973; Wu, 1978; Michez et al., 2004a, 2004b). In Turkey: Amasya, Balıkesir, Bursa, İstanbul, Kastamonu, Konya, Kütahya, Nevşehir, Samsun, and Sinop (Warncke, 1973). Material: Ağrı: Patnos, 28.07.1978, ♀, 15 ♂♂, leg. H. Özbek, det. B. Tkalcu and H. Özbek. Ankara: Şereflikoçhisar, 08.07.1998, 2 ♂♂, leg. C. Güçlü, det. D. Michez and W. Thayse. Ardahan: Center, 11.08.1976, ♂, leg. H. Özbek, det. B. Tkalcu; Posof, center, 28.08.1991, ♂, leg. H. Özbek, det. H. Özbek; Sarıdarı, 28.08.1991, ♀, leg. E. Yıldırım, det. H. Özbek; Türközü, 28.08.1991, 5 ♀♀, 3 ♂♂, leg. H. Özbek, det. H. Özbek, D. Michez and W. Thayse. Artvin: Yusufeli, İşhan, 17.09.1978, ♀, leg. H. Özbek, det. B. Tkalcu; İşhan, 15.08.1991, 2 ♀♀, leg. E. Yıldırım, det. H. Özbek; Sarıgöl, 700 m, 05.07.1994, ♂, leg. H. Özbek, det. as D. altercator (Harris). Bilecik: Center, 600 m, ♂, leg. E. Yıldırım, det. D. Michez and W. Thayse. Bitlis: Tatvan, Nemrut Dağı, 23.07.2003, ♀, leg. H. Özbek, det. H. Özbek. Erzincan: Çatalarmut, 09.08.1990, 3 ♂♂, leg. E. Yıldırım, det. H. Özbek; Kemah, Alp, 19.07.1997, ♀, leg. H. Özbek, det. H. Özbek; Üzümlü, Karakaya, 31.07.1991, 3 ♂♂, leg. E. Yıldırım, det. Y. A. Pesenko as D. altercator; Tercan, Yazıören, 29.06.1980, ♂, leg. H. Özbek, det. Y. A. Pesenko. Erzurum: Atatürk University Campus, 12.07.1970, ♂, leg. H. Özbek, det. K. Warncke; 24.07.1978, ♂, leg. H. Özbek, det. B. Tkalcu; 18.08.1967, ♂ leg. O. Ecevit, det. H. Özbek; 20.08.1966, ♂, leg. H. Özbek, det. K. Warncke; 22.08.1968, ♂, leg. H. Özbek, det. H. Özbek; 01.08.1990, ♀, leg. K. Gümüş, det. H. Özbek; Eşkinkaya, 20.07.2003, ♀, ♂, leg. J. G. Rozen, H. Özbek, det. J. G. Rozen (American Natural History Museum, AMNH); Palandöken, 2100 m, ♂, leg. E. Yıldırım, det. H. Özbek; Horasan, Karakoçan, 19.07.1990, 3 ♂♂, leg. E. Yıldırım, det. H. Özbek; Köprüköy, 26.08.1991, ♀, ♂ leg. H. Özbek, det. H. Özbek, D. Michez and W. Thayse; Köprüköy, 19.07.1990, 2 ♂♂, leg. E. Yıldırım, det. Y. A. Pesenko as D. altercator; Oltu, center, 20.07.1976, ♂, leg. H. Özbek, det. B. Tkalcu; 14–16.09.1978, 2 ♂♂, leg. H. Özbek, det. B. Tkalcu; Anzav deresi, 31.08.1996, ♀, ♂, leg. G. Tozlu, det. H. Özbek; Ayvalı, 27.07.1990, ♂, leg. E. Yıldırım, det. Y. A. Pesenko as D. altercator; 26.08.1993, ♀, leg. G. Tozlu, det. H. Özbek; Başaklı, 01.09.1978, 9 ♂♂, leg. H. Özbek, det. Y. A. Pesenko as D. altercator; 07.09.1978, 4 ♂♂, leg. H. Özbek, det. H. Özbek; Başaklı, 446 14.09.1978, ♀, leg. H. Özbek, det. H. Özbek; Başaklı, 01.09.1988, 4 ♀♀, leg. H. Özbek, det. H. Özbek; Kayaaltı, 800 m, ♂, leg. G. Tozlu, det. D. Michez and W. Thayse; Olur, Coşkunlar, 12.07.1991, ♂, leg. H. Özbek, det. H. Özbek; Pasinler, center, 12.07.1980, ♂, leg. H. Özbek, det. B. Tkalcu; 01.08.1983, ♂, leg. H. Özışık, det. D. Michez and W. Thayse; Rabat, 2200 m, 13.06.1996, ♀, leg. H. Özbek, det. H. Özbek; Şenkaya, Gaziler, 1650 m, 2 ♀♀, leg. R. Kotan, det. H. Özbek; Tortum, Aksu, 16.09.1977, ♀, leg. H. Özbek, det. H. Özbek, Aksu, 1450 m, 19.07.2003, ♂, ♀, leg. S. Çoruh, det. H. Özbek, det. D. Michez and W. Thayse; Bağbaşı, 20.09.1978, 41 ♂♂, 4 ♀♀, leg. H. Özbek, det. B. Tkalcu and H. Özbek; Şenkaya, Turnalı, 03.09.1990, ♀, ♂, leg. E. Yıldırım, det. H. Özbek. Eskişehir: Sivrihisar, 13.08.1990, ♀, leg. H. Özbek, det. H. Özbek. Iğdır: Aralık, 02.08.1997, ♂, leg. B. Gül, det. D. Michez and W. Thayse. İzmir: Menemen, 900 m, 17.06.1994, ♂, leg. H. Özbek, det. Michez and W. Thayse. Kars: Digor, 1770 m, 17.07.2005, leg. H. Özbek, det. D. Michez and W. Thayse; Sarıkamış, 11.08.1983, 2 ♂♂, leg. H. Özbek, det. Y. A. Pesenko and H. Özbek. Kayseri: Develi, 25.06.1980, 2 ♀♀, 3 ♂♂, leg. H. Özbek, det. H. Özbek. Manisa: Alaşehir, 23.07.1990, 2 ♂♂, ♀, leg. H. Özbek, det. H. Özbek. Samsun: 27.08.1981, 2 ♂♂, leg. O. Ecevit, det. H. Özbek. Sivas: Suşehri, 07.07.1999, 2 ♂♂, leg. H. Özbek, det. H. Özbek. Tokat: Center, 19.08.1992, 3 ♀♀, leg. H. Özbek, det. H. Özbek; 900 m, 19.08.1992, ♂, ♀, leg. H. Özbek, det. D. Michez and W. Thayse. Van: Edremit, 29.07.1978, 15 ♀♀, 7 ♂♂, leg. H. Özbek, det. B. Tkalcu and H. Özbek; Gevaş, 29.07.1978, ♀, leg. H. Özbek, det. H. Özbek; Kuzgunkıran, 29.07.1978, ♀, leg. H. Özbek, det. H. Özbek. Yozgat: Yerköy, 09.08.1989, 3 ♂♂, leg. H. Özbek, det. H. Özbek. Plants associated: Sunflower (Helianthus annuus L.) and safflower (Carthamus tinctorius L.) are important cultivated plant species that are frequently visited by D. hirtipes. Wild plants: Apiaceae: Ammi visnaga (L.) Lam., A. majus L., Daucus carota L., Eryngium billardierei F.Delaroche, E. bithynicum Boiss., E. creticum Lam., Ferula orientalis L., Heracleum spp., Pimpinella spp.; Asteraceae: Achillea millefolium L., Arctium lappa L., A. minus (Hill), Carduus acanthoides L., C. nutans L., Centaurea drabifolia Sm., C. glastifolia L., C. iberica Trevir. ex Spreng., C. hyalolepis Boiss., C. macrocephala Muss. Puschk., C. solstitialis L., Cichorium intybus L. (the most favorable plant), Cirsium arvense (L.), C. lappaceum (M.Bieb), Echinops galaticus Freyn, E. orientalis Trautv., Onopordum acanthium (L.), O. illyricum L., O. tauricum Willd., Pallenis spinosa (L.), Senecio spp., Taraxacum aleppicum Dahlst., T. phaleratum G.E.Haglund ex Rech., T. scaturiginosum G.E.Haglund, Tragopogon aureus M.Bieb.; Convolvulaceae: Convolvulus arvensis L.; Dipsacaceae: Cephalaria gigantea (Ledeb.), C. lycica Matthew, C. procera Fisch. & Avé-Lall.; Euphorbiaceae: Euphorbia orientalis ÖZBEK / Turk J Zool L., Dipsacus laciniatus L., Scabiosa caucasica M.Bieb.; Fabaceae: Melilotus officinalis L.; Lamiaceae: Salvia aethiopis L., S. candidissima Vahl, S. multicaulis Vahl, S. sclarea L., S. verticillata L., S. viridis L., Satureja sp., Stachys annua L., S. cretica L., Thymus comptus Friv., T. leucostomus Hausskn. & Velen., T. sipyleus Bois.; Scrophulariaceae: Verbascum spp. Remark: Dasypoda hirtipes is the most widespread and abundant species of the genus in Turkey (Figure 1), as well as outside of Turkey. 3.1.2. Dasypoda (Dasypoda) pyriformis Radoszkowski, 1887 Distribution: Italy, Balkan Peninsula, Croatia, Macedonia, Albania, Bulgaria, Greece, Turkey (Michez et al., 2004a). Michez (2012a) noted that D. pyriformis is present in the northeastern part of the Mediterranean basin. Most of the records are found in Greece. In Turkey: Denizli (Warncke, 1973); Amasya, as D. schlettereri Friese, 1900, which is a synonym of D. pyriformis (Baker, 2002). Material: Erzurum: Oltu, Başaklı, 01.08.1977, 2 ♀♀ leg. H. Özbek, det. Y. A. Pesenko. Kars: Kağızman, Kuloğlu, 1600 m, 01.08.2002, ♂, leg. M. Kesdek, det. D. Michez and W. Thayse. New localities: Erzurum and Kars. Remark: Dasypoda pyriformis is a rare species occurring in Turkey. It is a Mediterranean species; among Asian countries, it occurs only in Turkey (Amasya). In the present study it has been recorded from Erzurum and Kars provinces, and Kars is its easternmost distribution record, both in Turkey and the world. Plants associated: Carduus sp., Centaurea glastifolia L., Cichorium intybus. D. pyriformis D. tubera D. warnckei D. pyrotrichia D. argentata D. braccata D. friesana D. longigena D. patinyi D. spinigera D. aurata D. toroki D. visnaga D. hirtipes 3.1.3. Dasypoda (Dasypoda) tubera Warncke, 1973 Distribution: Syria and Turkey. In Turkey: İçel and Hatay (Warncke, 1973); Çukurova (rather abundant), Amasya, Bilecik, Çorum, Eskişehir, İçel, İzmir, Hakkari, Hatay, Taurus Mts. (Michez et al., 2004a). Material: Adana: Akvatan, 22.05.1995, 2 ♂♂, leg. G. Çankaya, det. D. Michez, W. Thayse and H. Özbek. Antalya: Beydağları, Saklıkent yolu, Alimin Pınarı, 09.07.1991, 2 ♀♀, leg. H. Özbek, det. D. Michez, W. Thayse and H. Özbek. İzmir: Menemen, 900 m, 17.06.1994, 2 ♀♀, ♂, leg. H. Özbek, det. D. Michez, W. Thayse and H. Özbek. Remark: Warncke (1973) described D. tubera from İçel (Mersin) as the subspecies of D. pyriformis on the basis of the male. Later, Michez et al. (2004a) found females and additional males and described the male, and the status of D. tubera was revised at the species level. Plants associated: Carduus sp., Centaurea solstitialis, and Cichorium intybus. 3.1.4. Dasypoda (Dasypoda) warnckei Michez, 2004 Distribution: Turkey. Kayseri (type locality), Niğde, Nevşehir, Çorum, Denizli, Hakkari, Kars (Michez at al., 2004a). Material: Iğdır: Bayraktutan, 40°00′949N, 43°55′105E, 17.08.2005, ♀, ♂, leg. H. Özbek, det. D. Michez and W. Thayse. Kars: Digor, 1770 m, 17.07.2005, ♂, leg. H. Özbek, det. H. Özbek. Plants associated: Cichorium intybus, Onopordum sp. Remark: As far as is known, D. warnckei is endemic to Turkey. It is not abundant, although it is a rather widespread species from east to west (Figure 1). However, it is remarkable to note that although I have made intensive collections within Erzurum Province, I have not encountered this species so far in Erzurum. Mersin Figure 1. Distribution of the genus Dasypoda in Turkey. 447 ÖZBEK / Turk J Zool 3.1.5. Dasypoda (Heterodasypoda) pyrotrichia Förster, 1855 Distribution: Portugal, Spain, France, Greece, Bulgaria, Macedonia, Israel, Syria, and Turkey (Michez et al., 2004a). In Turkey: D. pyrotrichia was described from Anatolia (Kleinasien) (Baker, 2002). It has already been recorded in Erzurum, Gümüşhane, Kars, Kayseri, and Trabzon (Michez et al., 2004a). Material: Bayburt: Yaylapınar, 26.07.1992, ♀, leg. H. Bostan, det. H. Özbek. Erzincan: Cevizli, 26.07.1993, 2 ♀♀, leg. H. Özbek, det. K. Warncke and Y. A. Pesenko. Erzurum: Atatürk University Campus, 10.06.2000, ♀, leg. M. Kestek, det. H. Özbek; Ilıca, Ovacık, İspir road, 08.08.1990, ♂, leg. Ü. Avcı, det. D. Michez and W. Thayse; Köşkköyü, 14.07.1992, ♂, leg. H. Özbek, det. D. Michez and W. Thayse; Köprüköy, Örentaş, 04.07.2004, ♀, leg. H. Özbek, det. H. Özbek; Oltu, Başaklı-Tutmaç border, 1700–2000 m, 02.07.2000, 15 ♀♀, 3 ♂ ♀, leg. H. Özbek and Ö. Çalmaşur, det. H. Özbek; Kaleboğazı, 28.07.1990, ♂, leg. E. Yıldırım, det. H. Özbek; Pasinler, Çalıyazı, 13.07.1997, 9 ♂♂, leg. E. Yıldırım, det. H. Özbek; Rabat, 2400 m, 11.07.1996, 46 ♂♂, leg. E. Yıldırım, det. H. Özbek; Pelitli, 14.07.1996, 2200 m, 14.07.1996, 2 ♀♀, 3 ♂♂, leg. E. Yıldırım, det. H. Özbek; Şenkaya, Turnalı, 1800 m, 19.06.1991, ♀, leg. E. Yıldırım, det. D. Michez and W. Thayse; 06.07.1990, ♀, leg. E. Yıldırım, det. H. Özbek; Tortum, Aşağı Meydanlar, 04.07.1991, ♀, leg. H. Özbek, det. D. Michez and W. Thayse; Doruklu Yaylası, 2000 m, 03.07.1991, ♀, 2 ♂♂, leg. H. Özbek, det. H. Özbek. Kars: Sarıkamış, İssisu, 07.07.1991, 2 ♂♂, leg. E. Yıldırım, det. H. Özbek, det. D. Michez and W. Thayse. Plants associated: The samples were collected mainly from the edges of wooded areas on Helianthemum nummularium (L.) Mill. (Cistaceae). A few samples were collected from Onopordum sp., Cirsium sp., Cephalaria procera, Melilotus alba, and Salvia spp. Michez et al. (2008) mentioned that D. pyrotrichia appears strictly oligolectic on Cistaceae, although the sample was too small to reach a definite conclusion. 3.1.6. Dasypoda (Megadasypoda) argentata Panzer, 1809 Distribution: It is widespread, particularly in western Europe, Spain, France, Austria, Germany, Switzerland, Italy, Poland, Bohemia, Slovakia, Croatia, Hungary, Romania, Lithuania, Armenia, Azerbaijan, European Russia, Macedonia, Sweden, Bulgaria, Greece, Ukraine, Caucasus, Georgia. In Asia: Turkey, Kazakhstan, India, Iran, Iraq, and Syria. In Africa: Algeria, Egypt, Tunisia (Warncke, 1973; Michez et al., 2004a, 2004b). In Turkey: Bayburt, Erzurum, Gümüşhane, İçel (Warncke, 1973); Hakkari, Erzincan, Sivas (Michez et al., 2004a). Material: Ağrı: Tahir Mt., 25.07.1978, ♂, leg. H. Özbek, det. Y. A. Pesenko. Ardahan: Göle, 10.08.1977, 5 ♂♂, leg. Özbek, det. Y. A. Pesenko and H. Özbek; 3 ♂♂, 448 leg. H. Özbek, det. Y. A. Pesenko. Bayburt: Demirdöven, 30.07.1992, ♀, leg. H. Özbek, det. H. Özbek; Kopdağı, 10.08.1991, 2 ♀♀, 2 ♂♂, leg. H. Bostan, det. D. Michez and W. Thayse; Kopdağı, 2400 m, 13.08.1977, 4 ♀♀, leg. Ö. Çalmaşur, det. H. Özbek. Bingöl: Solhan, Bağlan, 2122 m, ♂, leg. M. Kesdek, det. H. Özbek. Erzincan: Kızıldağ, 1800 m, 23.07.1991, 4 ♀♀, leg. H. Özbek, det. H. Özbek; Cevizli, 15.07.1982, ♂, leg. H. Özbek, det. K. Warncke; 26.07.1983, 3 ♀♀, ♂, leg. H. Özbek, det. B. Tkalcu and H. Özbek. Erzurum: Gölet, 1950 m, 25.06.2003, ♀, leg. S. Çoruh, det. H. Özbek; Güngörmez, 2400 m, 05.08.1990, 7 ♂♂, leg. H. Özbek, det. Y. A. Pesenko and H. Özbek; Karagöbek Mts., 2200 m, 05.07.1989, ♂, leg. H. Özbek, det. H. Özbek; Köşkköyü, 14.07.1992, ♀, leg H. Özbek, det. H. Özbek; Şenyurt, 2300 m, 22.08.1991, 10 ♂♂, 6 ♀♀, leg. H. Özbek and E. Yıldırım, det. H. Özbek, D. Michez, and W. Thayse; Kargapazarı, Radar road, 2100–2800 m, 20– 28.08.1989, 2 ♀♀, 14 ♂♂, leg. H. Özbek, det. H. Özbek and Y. A. Pesenko; 11.08.1990, ♀, leg. H. Özbek, det. H. Özbek; 24.08.1988, 15♀♀, leg. H. Özbek, det. H. Özbek; Umudum plateau, 2100 m, 14.07.1990, 12 ♀♀, 10 ♂♂, leg. H. Özbek, det. H. Özbek; Umudum plateau, 2800 m, 08.08.1991, 11 ♀♀, 8 ♂♂, leg. H. Özbek, det. H. Özbek, D. Michez and W. Thayse; Uzunahmet, 03.08.1981, ♀, leg. H. Özbek, det. H. Özbek; Aşkale, 07.07.1980, 4 ♀♀, leg. H. Özışık, det. H. Özbek; Çat, 20.07.1989, ♀, leg. H. Özbek, det. H. Özbek; Ilıca, Konaklı, 2200–2400 m, 22.07.2000, 5 ♀♀, 20 ♂♂, leg. H. Özbek, E. Yıldırım, Ö. Çalmaşur, det. H. Özbek; Narman, Kireçli Mt., 12.07.2000 m, ♂, leg. C. Güçlü, det. H. Özbek; Şehitler, 1600 m, 05.08.1997, 2♂♂, leg. E. Kılıç, det. H. Özbek; Olur, Oğuzkent, 22.08.1992, ♀, leg. İ. Aslan, det. H. Özbek; Süngübayır, 20.08.1992, ♀, leg. İ. Arslan, det. H. Özbek; Köprüköy, Örentaş, 04.07.2004, leg. H. Özbek, det. H. Özbek; Süngübayır, 20.08.1992, ♀, leg. İ. Aslan, det. H. Özbek; Oltu, Başaklı, 13.08.1977, ♀, leg. H. Özbek, det. H. Özbek; 01.09.1978, 7 ♀♀, leg. H. Özbek, det. H. Özbek; Pasinler, Pelitli, 2200 m, 14.08.1996, 5 ♂♂, 2 ♀♀, leg. E. Yıldırım, det. H. Özbek; Rabat, 2400 m, 11.08.1996, 16 ♀♀, 46 ♂♂, leg. E. Yıldırım, det. H. Özbek; 15.08.1995, 4 ♀♀, leg. H. Özbek, det. H. Özbek; Şenkaya, Soğanlı Pass, 2450 m, 04.08.2000, 2 ♀♀, leg. S. Çoruh, C. Güçlü, det. H. Özbek; Turnalı, 1750 m, 25.07.1996, ♂, leg. E. Yıldırım, det. D. Michez and W. Thayse; Turnalı, 06.08.1988, ♂, leg. E. Yıldırım, det. Y. A. Pesenko; Turnalı, 25.08.1991, 3 ♀♀, leg. E. Yıldırım, det. H. Özbek; Turnalı, 2000 m, 01.09.1988 4 ♀♀, ♂, leg. E. Yıldırım, det. H. Özbek and Y. A. Pesenko. Kars: Sarıkamış, 26.08.1991, 2 ♀♀, leg. H. Özbek, det. H. Özbek. Remark: Radchenko and Pesenko (1989) preferred using D. thoracica Baer, 1853 for this species, although none of the specialists accepted changing D. argentata (Michez et al., 2004a) except for Celary (2002). It is a widespread species and is very abundant, particularly ÖZBEK / Turk J Zool in East Anatolia. After D. hirtipes it is the second most widespread species of the genus Dasypoda both in Turkey (Figure 1) and the world. Plants associated: Daucus carota, Eryngium billardierei, Cichorium intybus, Echinops galaticus, E. orientalis, Onopordum acanthium, O. tauricum, Tragopogon aureus, Cephalaria gigantea, C. lycica, C. procera, Euphorbia orientalis, Dipsacus laciniatus, Scabiosa caucasica, Melilotus officinalis, and Salvia aethiopis. It is remarkable to note that D. argentata shows high preference to the Cephalaria species; in particular, C. procera is the most frequently visited plant. 3.1.7. Dasypoda (Megadasypoda) braccata Eversmann, 1852 Distribution: Albania, Austria, Bulgaria, Greece, Caucasus, Italy, Macedonia, Serbia, European Russia, Hungary, Poland, Ukraine, Kazakhstan, and Turkey (Warncke, 1973; Radchenko, 1987; Michez et al., 2004a, 2004b). In Turkey: Konya, Sivas (Warncke, 1973); Ankara, Kahramanmaraş, Konya, Niğde, Malatya, Elazığ, Erzincan, Kars, Mardin, Sivas (Michez et al., 2004a). Material: Bayburt: Demirözü, 31.07.1992, Bayrampaşa, 31.07.1992, ♀, leg. H. Bostan, D. Michez, and W. Thayse; Demirözü, 30.07.1992, ♂, leg. H. Bostan, det. D. Michez and W. Thayse; Kopdağı, 10.08.1991, ♀, leg. H. Bostan, det. H. Özbek; Yaylapınar, 26.07.1992, ♂, leg. H. Bostan, det. H. Özbek. Erzincan: Cevizli, 26.07.1983, 2 ♀♀, leg. H. Özbek, det. H. Özbek. Erzurum: DSİ Gölet, 25.06.2003, ♀, leg. S. Çoruh, det. H. Özbek; Güngörmez, 2300 m, 05.08.1990, 7 ♀♀, leg. H. Özbek, det. H. Özbek; Karagöbek, 28.07.1990, ♀, leg. E. Yıldırım, det. H. Özbek; Kargapazarı, Radar road, 2800 m, 24.08.1988, 12 ♀♀, leg. H. Özbek, det. H. Özbek; Konaklı, 2000–2400 m, 22.07.2000, ♀, leg. E. Yıldırım, det. H. Özbek; Şenyurt, 2300 m, 22.08.1991, 5 ♀♀, leg. H. Özbek and E. Yıldırım, det. H. Özbek; Umudum plateau, 2800 m, 08.08.1991, ♂, leg. H. Özbek, det. D. Michez and W. Thayse; Aşkale, 07.07.1980, 5 ♀♀, leg. H. Özışık, det. H. Özbek; Kopdağı, 2200–2400 m, 13.08.1997, 3 ♀♀, leg. Ö. Çalmaşur, det. H. Özbek; Oltu, Başaklı, 13.08.1977, ♀, 01.09.1978, 4 ♀♀, leg. H. Özbek, det. H. Özbek; Sütkans, 1500 m 25.06.1996, ♀, leg. E. Yıldırım, det. D. Michez and W. Thayse; Pasinler, Rabat, 15.08.1995, ♂, leg. E. Kılıç, det. D. Michez and W. Thayse; Rabat, 2200 m, 15.08.1995, 2 ♂♂, leg. İ. Aslan, det. D. Michez and W. Thayse; Oltu, Başaklı-Tutmaç border, 1700–2000 m, 02.07.2000, 13 ♀♀, leg. H. Özbek, det. H. Özbek; Şenkaya, Turnalı, 25.07.1996, ♂, leg. E. Yıldırım, det. D. Michez and W. Thayse; Turnalı, 28.07.1993, ♂, leg. E. Yıldırım, det. H. Özbek; 2000 m, 02.09.1988, 5 ♀♀, leg. E. Yıldırım, det. H. Özbek; Tortum, Doruklu plateau, 2000 m, Uzundere, Dikyar, 02.07.1994, ♀, leg. İ. Aslan, det. H. Özbek. Hakkari: Kaval Valley, 1300 m, 20.07.1982, ♂, ♀, leg. W. Deprins, det. D. Michez and W. Thayse. Remark: Warncke (1973) described the subspecies D. braccata anatolica from Konya and Sivas. Plants associated: Achillea millefolium, Ammi visnaga, Daucus carota, Eryngium billardierei, Cephalaria gigantean, C. lycica, C. procera, Scabiosa argentata, S. caucasica, Carduus acanthoides, C. nutans, Cichorium intybus, Cirsium arvense, Echinops galaticus, Onopordum acanthium, O. illyricum. It is particularly associated with the genus Cephalaria (Dipsacaceae). 3.1.8. Dasypoda (Megadasypoda) frieseana Schletterer, 1890 Distribution: Greece, Macedonia, and Turkey (Warncke, 1973). In Turkey: İçel (Warncke, 1973). Material: Bayburt: Demirözü, 12.07.1992, 2 ♂♂, leg. H. Özbek, det. H. Özbek; 30.07.1992, 2 ♀♀, 6 ♂♂ leg. H. Özbek, det. D. Michez, W. Thayse and H. Özbek; 30.07.1992, ♀, ♂, leg. H. Bostan, det. H. Özbek; 31.07.1992, ♀, 4 ♂♂, leg. H. Bostan, det. H. Özbek; 11 ♂♂, 3 ♀♀, leg. H. Özbek, det. D. Michez, W. Thayse and H. Özbek; 14.08.1992, 3 ♂♂, leg. H. Bostan, det. H. Özbek; Bayrampaşa, 31.07.1992, ♀, 2 ♂♂, leg. H. Bostan, det. H. Özbek. Remark: Warncke (1973) noted that D. friesana was previously known from Turkey (İçel). However, Baker (2002) and Michez et al. (2004a) gave the Balkan Peninsula (Akarnanien) as the only distribution area of this species, and in the distribution map that was prepared by Michez et al. (2004a), only Greece and Macedonia were marked. Recording this species from northeastern Anatolia is very important under these circumstances. D. frieseana is recorded in Turkey as well as from the Asian continent for the first time with the present study and Bayburt is the easternmost record of this species (Figure 1). Plants associated: Arctium lappa, Cephalaria gigantean, C. procera, and Dipsacus laciniatus. 3.1.9. Dasypoda (Megadasypoda) longigena Schletterer, 1890 Distribution: Dasypoda longigena was described from Anatolia (Kleinasien) by Schletterer (1890). Later it was recorded from Erzurum (Warncke, 1973; Michez and Patiny, 2002; Michez et al., 2004a). With the present knowledge it can be seen that D. longigena is endemic to Anatolia. Remark: Dasypoda longigena is one of the earliest bee species described from Anatolia. It was virtually extinct in Anatolia and had not been recorded for over 80 years, the first record after its description being in 1973 by Warncke (1973) and only in Erzurum. It is remarkable that in spite of intensive collections in Erzurum and neighboring provinces since the 1970s it has not been encountered; it is probably extinct or on the verge of extinction. 449 ÖZBEK / Turk J Zool 3.1.10. Dasypoda (Megadasypoda) patinyi Michez, 2002 Distribution: Syria, Turkey (Michez, 2002; Michez et al., 2004a). So far it has been recorded in Turkey only from Şanlıurfa (Michez et al., 2004a). Remark: Michez (2002) described D. patinyi from Suwaydan (Syria), which is not far from Şanlıurfa. Dasypoda patinyi is represented by only one female (Şanlıurfa, 37°08′N, 38°46′E, 01.06.1968, leg. J. Gusenleitner) in Turkey. 3.1.11. Dasypoda (Megadasypoda) spinigera Kohl, 1905 Distribution: Caucasus, Armenia, Iran, Bulgaria, Greece, Macedonia, Italy, Romania, Ukraine, Turkey (Warncke, 1973; Michez et al., 2004a); former Russia (Radchenko and Pesenko, 1989). In Turkey: Kayseri (type locality), Aksaray, Ankara, Aydın, Bitlis, Çanakkale, İçel, Konya, Nevşehir, Niğde, Sivas, Van, Tekirdağ (Warncke, 1973; Baker, 2002; Michez et al., 2004a). Material: Erzincan: Ilıç, 15.07.1994, ♀, leg. H. Özbek, det. D. Michez and W. Thayse. Erzurum: Köprüköy, 19.07.1990, ♂, leg. Ş. Güçlü, det. H. Özbek. Konya: Selçuk University Campus, 14.07.1997, 6 ♀♀, 5 ♂♂, leg. F. Aydın, det. D. Michez, W. Thayse, and H. Özbek. Van: Edremit, 19.07.1978, ♀, leg. H. Özbek, det. B. Tkalcu. Plants associated: Cephalaria gigantea, C. procera, Scabiosa argentata, S. caucasica, and Echinops galaticus. 3.1.12. Dasypoda (Megadasypoda) aurata Rudow, 1881 Synonyms: Dasypoda spectabilis Rudow, 1881; D. mixta Radoszkowski, 1887; D. thomsoni Schletterer, 1890; D. suripes (Christ, 1791). Distribution: Bohemia, Sweden, Denmark, Germany, Austria, Italy, Poland, Moravia, Slovakia, Hungary, Croatia, Macedonia, Albania, Romania, Bulgaria, Lithuania, Greece, Belarus, Ukraine, Armenia, Cyprus, European Russia, Turkey (Warncke, 1973; Michez et al., 2004a). In Turkey: Aydın, Hatay, İçel, Muğla (Michez et al., 2004a); Erzurum as D. mixta Radoszkowski, 1887 (Baker, 2002; Michez et al., 2004a) (Figure 1). 3.1.13. Dasypoda (Megadasypoda) toroki Michez, 2004 Distribution: Israel, Syria (Michez et al., 2004b). Material: Antalya: Kumluca, 08.05.1998, 3 ♀♀, leg. G. Tozlu, det. H. Özbek. Şanlıurfa: Karaköprü, 16.06.1992, ♂, leg. R. Hayat, det. D. Michez and W. Thayse. Remark: D. toroki was recently described from Israel (Michez et al., 2004b). In the present study it has been recorded from Antalya and Şanlıurfa. Antalya is the westernmost distribution record of this species (Figure 1). It is a new record for the Turkish fauna. Plants associated: Carduus sp. 3.1.14. Dasypoda (Megadasypoda) visnaga (Rossi, 1790) Distribution: Mediterranean countries from the Atlantic coast of Portugal to the Aegean coast of Turkey including North Africa (Algeria, Morocco, and Tunisia). In Turkey: Antalya (Michez, 2012a). 450 Remark: Although D. visnaga has a very large distribution range throughout the Mediterranean countries, including North Africa, more recently it has been recorded solely from Antalya in Turkey (Figure 1). 3.2. Genus Macropis Panzer, 1809 Macropis is the most distinctive genus of Melittinae; the front wing has 2 submarginal cells, the face of the male is yellow, and there is a well-developed pygidial plate in both sexes (Michener, 1981). Oil-collecting bees are found worldwide and always in association with particular oilproducing flowers (Bassin et al., 2011). The oil-collecting and transporting structure of Macropis features short, dense, velvety hairs on the small segments of all the tarsi for collecting the oil and the broad hind tibia and basitarsus with fine, dense, plumose scopal hairs for oil transport (Michener, 2007). All females of the Macropis species collect oil and pollen from flowers of Lysimachia (Primulaceae) as larval food (Rozen and Jacobson, 1980; Cane et al., 1983; Michez and Patiny, 2005). Since Lysimachia produces no nectar, adults of Macropis visit other flowers for their own energy needs (Pekkarinen et al., 2003; Michez and Patiny, 2005). Macropis includes 16 species in three subgenera: Paramacropis Popov and Guiglia, 1936; Sinomacropis Michener, 1981; and Macropis Panzer s. str., occurring in the eastern Palearctic, in China, and in the Holarctic region including Turkey, respectively (Michez and Patiny, 2005). 3.2.1. Macropis (Macropis) frivaldszkyi Mocsary, 1878 Distribution: Italy, Bulgaria, Kazakhstan, Macedonia, Romania, Greece, Croatia, Hungary, Serbia, and European Russia. In Turkey: Erzurum (Warncke, 1973); Ankara, Konya, Hakkari, Van (Michez and Patiny, 2005); Sinop (Bassin et al., 2011) (Figure 2). Material: Erzurum: Atatürk University Campus, 12.07.1970, ♀, leg. H. Özbek, det. K. Warncke. Plants associated: Lysimachia vulgaris L. (Primulaceae). 3.2.2. Macropis (Macropis) fulvipes (Fabricius, 1805) Distribution: Europe (except in the United Kingdom, Sweden, and Norway), Georgia, Russia, Algeria (Warncke, 1973; Michez and Patiny, 2005; Bassin et al., 2011). In Turkey: Çankırı, Kastamonu, Artvin, Ardahan, and Rize (Michez and Patiny, 2005); Kastamonu and Sinop (Bassin et al., 2011) (Figure 2). Plants associated: Pekkarinen et al. (2003) noted that Macropis bees are apparently all oligolectic on Lysimachia; females collect pollen and oil from Lysimachia, whereas nectar is usually collected from a wide variety of host plants. Michez et al. (2008) emphasized that, in the Palearctic region, Macropis bees are specialized on the subgenus Lysimachia. ÖZBEK / Turk J Zool Macropis frivaldszkyi Macropis fulvipes Melitta nigricans M. bicollaris M. budensis M. dimidiata M. haemorrhoidalis M. melanura M. rasmonti M. singular M. leporina Mersin Figure 2. Distribution of the genera Macropis and Melitta in Turkey. 3.3. Genus Melitta Kirby, 1802 The Melitta species superficially resemble the species of Andrena (Andrenidae), although their scopae are limited to the hind tibia and basitarsus (no flocculus). Like other Melittidae, they have a short tongue with all segments of the labial palpus similar to one another, one subantennal suture, and no facial foveae. There are 3 submarginal cells (the 3rd is longer than the 2nd) in the forewing, no yellow markings and mainly brownish to blackish pilosity, widened apical tarsi, lateral tubercles on the labrum, apical projection on the posterior basitarsus, and volsella with elongated digitus. In the male, the seventh sternum has a large disk and weakly developed lateral process (Michener, 1981; Michez et al., 2009). The genus Melitta occurs in the Palearctic, in southern and eastern Africa, and in the Nearctic regions (Warncke, 1973; Michener, 1981; Eardley and Kuhlmann, 2006). It is most diversified in the Palearctic region (Michener, 2007). It is rich in species, although morphologically monotonous compared to other melittid bees (Michez et al., 2009). Warncke (1973) recognized 3 subgenera of Melitta (Cilissa, Melitta s. str., and Pseudocilissa) based on the revision of West Palearctic species. Michez and Eardley (2007) reviewed the literature and examined many specimens from various collections (including the type material); they produced the first monographic revision of the genus Melitta and noted that there are currently 48 valid species. However, very recently, Dellicour et al. (2014) described 2 more Melitta species, and so it rose to 50 species. 3.3.1. Melitta (Melitta) leporina (Panzer, 1799) Synonyms: Apis leporina Panzer, 1799; Andrena fortipes Imhoff, 1832; Cilissa ruthenica Radoszkowski, 1891; Melitta centaureae Torka, 1922 Distribution: Palearctic. Widespread in Europe including southern Sweden and Finland. In Asia, known from Anatolia and Iran, Kyrgyzstan to Mongolia (Warncke, 1973; Michez and Eardley, 2007). In Turkey: Erzurum (Warncke, 1973; Özbek, 1976, 1979, 1980). Material: Afyon: Sultandağı, 25.06.1995, ♂, leg. H. Özbek, det. H. Özbek. Aksaray: Center, 27.06.1975, 4 ♀♀, 2 ♂♂, leg. H. Özbek, det. H. Özbek. Amasya: Merzifon, 23.07.1998, ♂, leg. H. Özbek, det. H. Özbek. Artvin: Yusufeli, 1350 m, 22.07.2003, 3 ♀♀, leg M. Kesdek, det. H. Özbek; Cinnar, 15.07.1992, 2 ♂♂, leg. E. Yıldırım, det. H. Özbek. Bilecik: Center, 21.06.1978, 3 ♂♂, leg. H. Özbek, det. H. Özbek. Bursa: Uludağ, 20.06.1978, ♀, 3 ♂♂, leg. H. Özbek, det. H. Özbek. Erzincan: Çağlayan, 39.56670_39.65000, 06.07.2001, ♂, leg. J. G. Rozen and H. Özbek, det. D. Michez. Erzurum: Atatürk University Campus, 39.90250_41.23500, 2000 m, 07.06.2007, ♂, leg. J. S. Ascher, H. Özbek and J. G. Rozen, det. J. S. Ascher; 28.06.1978, ♂, leg. H. Özbek, det. H. Özbek; 28.06.2001, ♂, leg. J. G. Rozen and H. Özbek, det. D. Michez; 30.06.2007, ♀, leg. J. S. Ascher, H. Özbek, J. G. Rozen, det. J. S. Ascher; 17.07.2010, 4 ♀♀, leg. J. S. Ascher, H. Özbek, det. J. S. Ascher; 21.07.2010, 2 ♀♀, ♂; 29.07.2010, ♂, leg. J. S. Ascher, H. Özbek, J. G. Rozen, det. J. S. Ascher; 10.07.2001, ♀, leg. H. Özbek, J. G. Rozen, det. D. Michez; 17.07.2003, 2 ♀♀, ♂, leg. J. G. Rozen and H. Özbek, det. D. Michez; 18.07.2003, 2 ♀♀, leg. J. G. Rozen and H. Özbek, det. D. Michez (in AMNH); 19.07.1987, ♂, leg. R. Hayat, det. H. Özbek; 21.07.2003, 3 ♀♀, leg. J. G. Rozen and H. Özbek, det. D. Michez; 12.07.1970, 2 ♀♀, leg. H. Özbek, det. K. Warncke; 12–15.07.1971, 12 ♀♀, leg. H. Özbek, det. K. Warncke; 20–26.07.1971, 10 ♀♀, leg. H. Özbek, det. K. Warncke and H. Özbek; 17–22.07.1974, 5♀♀, leg. H. 451 ÖZBEK / Turk J Zool Özbek, det. K. Warncke; 29.07.1974, 4 ♀♀, leg. H. Özbek, det. K. Warncke; 20–29.07.2003, 10 ♀♀, leg. H. Özbek, det. H. Özbek; İspir, 15.07.1991, ♀, leg. H. Özbek, det. K. Warncke; İspir, Kan, 20.07.1970, ♀, leg. H. Özbek, det. K. Warncke; Oltu, 4 km WSW of Oltu, 40.53305_41.98527, 1500 m, 03.07.2001, 2 ♂♂, leg. J. G. Rozen and H. Özbek, det. D. Michez; 30.06.1980, ♀, leg. H. Özbek, det. K. Warncke; 04.07.1974, 4 ♀♀, leg. H. Özbek, det. K. Warncke and H. Özbek; 08–11.07.1974, 36 ♂♂, leg. H. Özbek, det. H. Özbek; 9.07.1970, 2 ♀♀, 2 ♂♂ leg. H. Özbek, det. K. Warncke and H. Özbek; 12–20.07.1970, 8 ♀♀, 4 ♂♂ leg. H. Özbek, det. K. Warncke; 14–11–17.07.1974, 25 ♂♂, leg. H. Özbek, det. H. Özbek; 18.07.1970, 2 ♂♂, leg. H. Özbek, det. H. Özbek; 18.07.1972, 2 ♂♂, leg. H. Özbek, det. H. Özbek; 20.07.1971, 7 ♂♂, leg. H. Özbek, det. H. Özbek; 23.07.1974, leg. H. Özbek, det. H. Özbek; 24.07.1970, ♀, leg. H. Özbek, det. K. Warncke; 26–28.07.1972, 9 ♀♀, leg. H. Özbek, det. H. Özbek; 26.07.1966, ♀, leg. H. Özbek, det. K. Warncke; 29.07.1970–74, 5 ♂♂, leg. H. Özbek, det. K. Warncke; Kandilli, 29.06.1970, ♂, leg. H. Özbek, det. H. Özbek; Olur, Coşkunlar, 12.07.1991, ♀, leg. E. Yıldırım, det. H. Özbek; Oltu, 20.07.1970, 4 ♂♂, leg. H. Özbek, det. H. Özbek; 19.08.1987, ♀, ♂, leg. H. Özbek, det. H. Özbek; Tortum, Pehlivanlı, 12.07.1992, ♂, leg. E. Yıldırım, det. D. Michez. Eskişehir: Sivrihisar, 13.08.1990, 2 ♂♂, leg. H. Özbek, det. H. Özbek. Iğdır: Aralık, 02.08.1997, 4 ♂♂, leg. B. Gül, det. H. Özbek. İzmir: Bornova, 08.07.1979, ♀, ♂, leg. H. Özbek, det. H. Özbek. Kayseri: Develi, 27.06.1975, 5 ♀♀, 3 ♂♂, leg. H. Özbek, det. H. Özbek. Kütahya: Tavşanlı, 28.06.1979, ♂, leg. H. Özbek, det. H. Özbek. Manisa: Salihli, 05.06.1989, ♀, leg. H. Özbek, det. H. Özbek. Karaman: Center, 02.07.1975, 2 ♀♀, 4 ♂♂, leg. M. Kesdek, det. H. Özbek. Konya: Güneysınır, Gürağaç, 1017 m, 23.06.1999, ♀, leg. M. Kesdek, det. H. Özbek. Nevşehir: Ürgüp, 28.06.1975, 2 ♀♀, 3 ♂♂, leg. H. Özbek, det. H. Özbek. Niğde: Çamardı, 29.06.1975, 3 ♀♀, 2 ♂♂, leg. H. Özbek, det. H. Özbek. Samsun: Kavak, 26.07.1999, 2 ♀♀, ♂, leg. H. Özbek, det. H. Özbek. Sinop: Gerze, 13.07.1998, ♀, 3 ♂♂, leg. H. Özbek, det. H. Özbek. Sivas: Hafik, 17.06.2001, ♂, leg. H. Özbek, det. H. Özbek. Van: Muradiye, 38.99000_43.76000, 1750 m, 16.07.1988, ♀, leg. Schmid-Egger, det. K. Warncke (in AMNH). Yozgat: Akdağmadeni, 08.07.2003, ♂, leg. H. Özbek, det. H. Özbek. Remark: M. leporina is the most widespread species for the genus; it occurs from England to Vladivostok and from Finland to Spain (Michez, 2010). It is also one of the most widespread and abundant bee species occurring in Turkey (Figure 2). Plants associated: Melitta leporina visits alfalfa (Medicago sativa L.), sainfoin (Onobrychis viciifolia Scop.), red clover (Trifolium pratense L.), and white clover (T. repens L.), which are important fodder crops growing in 452 Turkey. Wild plants: Fabaceae: Astragalus aduncus Willd., A. aureus Willd., A. baibutensis Bunge, A. bicolor Lam., A. christianus L., A. galegiformis L., A. lagurus Willd., A. longifolius Lam., A. onobrychis L., A. ponticus Pall., Coronilla orientalis Mill., C. varia L., Glycyrrhiza glabra L., Hedysarum elegans Boiss. & A.Huet, H. nitidum Willd., Lathyrus spp., Lotus corniculatus L., Medicago falcata L., M. lupulina L., M. papillosa Boiss., Melilotus alba Desr., M. officinalis (L.) Desr., Onobrychis armena Boiss. & A.Huet., O. cana Boiss., Trifolium ambiguum M.Bieb., T. montanum L., Vicia cracca L., and V. villosa Roth. Celary (2006) described the nesting ecology of M. leporina. The female builds its nest in hard, clayed soil. They are not gregarious and the entrance to each nest is concealed by vegetation. 3.3.2. Melitta (Melitta) nigricans Alfken, 1905 Distribution: Widespread in Europe from Portugal to Poland and Orenburg (Russia). Absent in England and Sweden, one record from Morocco and Argentina (Warncke, 1973; Michez and Eardley, 2007). In Turkey: Balıkesir (Warncke, 1973). Remark: Although M. nigricans is a common species distributed throughout Europe, except for FennoScandinavia, it is very rare in Turkey, known only in Balıkesir (Figure 2). Plants associated: Michez et al. (2008) gave the family Lythraceae as the host plants of M. nigricans. 3.3.3. Melitta (Cilissa) bicollaris Warncke, 1973 Distribution: Warncke (1973) described the female of M. bicollaris from Erzurum. Later, Michez and Eardley (2007) described the male based on a pair of specimens collected from Erzurum. So far it has been known only from Artvin, Erzincan, Erzurum, and Kars provinces (Figure 2). With the present data it is endemic to East Anatolia. Material: Erzurum: Atatürk University Campus, 09.07.1976, 2 ♀♀, leg. H. Özbek, det. H. Özbek; 15.07.1972, 2 ♀♀, leg. H. Özbek, det. K. Warncke; 13.07.1972, 5 ♀♀, leg. H. Özbek, det. K. Warncke and H. Özbek; 18.07.1972, 5 ♀♀, 11 ♂♂, leg. H. Özbek, det. H. Özbek; 28.07.1972, 10 ♀♀, leg. H. Özbek, det. H. Özbek (all samples on O. viciifolia); 2000 m, 39.90250_41.23500, 02.07.2002, ♂, leg. J. G. Rozen and H. Özbek, det. D. Michez; Umudum plateau, 2200 m, 14.07.1990, 12 ♀♀, leg. H. Özbek and Ş. Güçlü, det. H. Özbek; Tortum, Pehlivanlı, 12-29.07.1992, 2 ♀♀, leg. E. Yıldırım, det. D. Michez; Şenkaya, Turnalı, 06.07.1990, 2 ♂♂, leg. E. Yıldırım, det. H. Özbek. Plants associated: Astragalus aduncus, A. bicolor, A. gummifer, A. lagurus, A. ponticus, Hedysarum elegans, Lotus corniculatus, Medicago papillosa, M. sativa, Melilotus alba, M. officinalis, Onobrychis cana, O. cf. stenostachya, O. transcaucasica, O. viciifolia, Medicago sativa, Trifolium montanum, T. repens, and Vicia cracca. ÖZBEK / Turk J Zool 3.3.4. Melitta (Cilissa) budensis (Mocsary, 1878) Distribution: Hungary, Russia, Ukraine, Armenia, Kazakhstan, Turkey (Warncke, 1973; Michez and Eardley, 2007). In Turkey: Bolu (Warncke, 1973); Bitlis, Bolu, Erzurum, Hakkari (Michez and Eardley, 2007) (Figure 2). Plants associated: Vicia cracca (Michez and Eardley, 2007). 3.3.5. Melitta (Cilissa) dimidiata Morawitz, 1876 Synonyms: Cilissa robusta Radoszkowski 1876, Cilissa dimidiata hungaria Mocsary 1883, Pseudocilissa robusta, Radoszkowski (1891). Distribution: South and East Europe as far as Central Asia (Warncke, 1973; Michez and Eardley, 2007). Some isolated populations in England (Baker, 1965). In Turkey: Ankara, Bitlis, Erzurum, İçel, Konya (Warncke, 1973; Özbek, 1979, 2011) (Figure 2). Material: Erzurum: Atatürk University Campus, 02.06.1974, ♀, leg. H. Özbek, det. H. Özbek; 04.06.1970, 2 ♀♀, ♂, leg. H. Özbek, det. H. Özbek and K. Warncke; 08.22.06.1970, 55 ♂♂, 16 ♀♀, leg. H. Özbek, det. K. Warncke and H. Özbek; 09.06.1970, ♂, leg. H. Özbek, det. K. Warncke; 24.06.1970, 2 ♀♀, leg. H. Özbek, det. H. Özbek; 20.06.1971, 6 ♀♀, leg. H. Özbek, det. H. Özbek; 30.06.197, 2 ♀♀, leg. H. Özbek, det. H. Özbek; 02–20.07.1970, 3 ♀♀, ♂, leg. H. Özbek, det. H. Özbek; 06–26.07.1971, 48 ♂♂, 24 ♀♀, leg. H. Özbek, det. H. Özbek and K. Warncke; 02– 29.06.1974, 39 ♂♂, ♀, leg. H. Özbek, det. H. Özbek and B. Tkalcu; 01.07.1972, 3 ♂♂, leg. H. Özbek, det. H. Özbek; 06.07.1976, ♂, leg. H. Özbek, det. H. Özbek; 12.07.1970, ♀, leg. H. Özbek, det. H. Özbek; 16.07.1966, 2 ♀♀, leg. H. Özbek, det. H. Özbek; 11.07.1967, ♂, leg. H. Özbek, det. B. Tkalcu; 17.07.1972, 3 ♀♀, leg. H. Özbek, det. H. Özbek and B. Tkalcu; 20.07.1971, 3♀♀, leg. H. Özbek, det. B. Tkalcu; 26.07.1974, ♀, leg. H. Özbek, det. H. Özbek; 10.06.2000, 3 ♂♂, leg. M. Kesdek, det. H. Özbek; 03.07.1992, 5 ♀♀, ♂, leg. E. Yıldırım, det. H. Özbek; Umudum plateau, 2200 m, 14.07.1990, 2100 m, 2 ♂♂, leg. Ş. Güçlü, det. D. Michez; 08.08.1991, ♂, leg. H. Özbek, det. D. Michez; 2200 m, 14.07.1991, 2 ♂♂, leg. Ş. Güçlü and E. Yıldırım, det. D. Michez; İspir, 15.06.1971, ♂, leg. H. Özbek, det. H. Özbek; Oltu, center, 25.06.1971, 2♀♀, leg. H. Özbek, det. H. Özbek; 14.07.1972, 2 ♀♀, ♂, leg. H. Özbek, det. H. Özbek; Başaklı, 15.07.1989, ♂, leg. H. Özbek, det. D. Michez; Şenkaya, Turnalı, 01.07.1990, ♂, leg. E. Yıldırım, det. H. Özbek; Tekman, Yayla, 19.07.2005, 2450 m, ♂, C. Güçlü, det. H. Özbek, Tortum, 14.07.1972, 3 ♀♀, ♂, leg. H. Özbek, det. H. Özbek; Uzundere, 28.06.1992, leg. M. Atamanalp, det. H. Özbek. Plants associated: Medicago sativa, O. viciifolia, T. pratense, T. repens. The present observations in the field and previous studies (Özbek, 1979, 2011) reveal that M. dimidiata is one of the most important pollinators of sainfoin (O. viciifolia), which is a valuable fodder crop growing mainly in the East and Central Anatolian regions of Turkey. Wild plants: Astragalus aduncus, A. bicolor, A. cylindraceus, A. gummifer, A. lagurus, A. ponticus, Hedysarum elegans, H. nitidum, Lotus corniculatus, Medicago papillosa, M. sativa, Melilotus alba, M. officinalis, Onobrychis altissima, O. arenaria, O. araxina, O. cana, O. cornuta, O. transcaucasica, Ononis spinosa, Trifolium ambiguum, T. montanum, Vicia alpestris, V. cracca. 3.3.6. Melitta (Cilissa) haemorrhoidalis (Fabricius, 1775) Synonyms: Andrena haemorrhoidalis Fabricius, 1775; Cilissa haemorrhoidalis (Fabricius, 1775); Apis dichroa Gmelin, 1790; M. chrysura Kirby, 1802; M. haemorrhoidalis nigra (Friese, 1885); M. haemorrhoidalis frisica Zimmermann, 1935; M. haemorrhoidalis flavidorsis Ruszkowski, 1988 Distribution: Armenia, Austria, Belgium, Bohemia, Bulgaria, Czech Republic, Denmark, Estonia, European Russia, France, Finland, Germany, Georgia, Greece, Hungary, Italy, Latvia, Lithuania, Luxembourg, Moravia, Netherlands, Norway, Poland, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Ukraine, United Kingdom (Michez, 2012b). Although M. haemorrhoidalis is one of the most common and widespread Melittidae species in Europe, recently it was recorded in Rize (İkizdere, 40.78333_40.55) by Michez (2012b) (Figure 2). Plants associated: Michez and Eardley (2007) recorded M. haemorrhoidalis mainly on Campanula latifolia, C. persicifolia, C. rapunculoides, C. rotundifolia, and C. trachelium (Campanulaceae); Malva moschata and M. sylvestris (Malvaceae). 3.3.7. Melitta (Cilissa) melanura (Nylander, 1852) Synonyms: Kirbya melanura Nylander, 1852; Cilissa wankowiczi Radoszkowski, 1891; Melitta wankowiczi (Radoszkowski, 1891). Distribution: Austria, Belarus, European Russia, Greece, Germany, Lithuania, Mongolia, Poland, Romania, Slovakia, Sweden, Ukraine, Turkey (Michez, 2012b). Although M. melanura is widespread in the Palearctic from Austria to Mongolia, in Turkey it has been recorded only in Kars so far (Figure 2). It is represented only by one specimen [1♀, Kars, Sarıkamış (40.33°N, 42.58°E), 06.08.1979 as M. wankowiczi (Radoszkowski, 1891)] (Michez and Eardley, 2007). 3.3.8. Melitta (Cilissa) rasmonti Michez, 2007 Distribution: It was described in Hakkari, and one specimen was recorded in Erzurum (Palandöken, 15.08.1978, ♀, leg. H. Özbek) (Figure 2). It is a mountain species; all materials were collected at an elevation of 2300 m or higher. 3.3.9. Melitta (Cilissa) singular Michez, 2012 Distribution: only known from the type locality in Turkey (Kırşehir, Mucur, 1000 m, ♂, 25.06.1988, leg. K. Guichard) (Figure 2). It is represented only by one specimen. 453 ÖZBEK / Turk J Zool 4. Discussion The examination of samples collected from various parts of the country and an overview of the literature allow us to reach the conclusion that the Melittidae of Turkey comprise 25 species in 3 genera: Dasypoda (14 species), Macropis (2 species), and Melitta (9 species). The Melittidae include approximately 200 species in 14 genera (Michez et al., 2009, 2012) worldwide. With 25 species, Turkey is home to more than 12% of the world’s Melittidae. Among these species, the most common and most frequently observed species across Turkey are Dasypoda hirtipes, D. argentata, D. braccata, Melitta leporina, and M. dimidiata. These species are also widespread outside of Turkey; they have Palearctic distribution. However, certain species are very rare and most are known from only 1 or 2 localities and mainly from 1 locality, including D. friesana (from İçel and Bayburt), D. longigena (from Erzurum), D. patinyi (from Şanlıurfa), D. visnaga (from Antalya), Melitta nigricans (from Balıkesir), M. haemorrhoidalis (from Rize), M. rasmonti (from Erzurum and Hakkari), M. singular (from Kırşehir), and M. melanura (from Kars). Interestingly, M. melanura and D. visnaga are widespread in the Palearctic, although they have been recorded only from one locality each. Additionally, M. melanura and M. singular are represented only by one specimen each. Concerning new records, D. toroki, recently described from Israel and Syria (Michez et al., 2004b), was recorded from Antalya and Şanlıurfa provinces. Eight species (more than 30% of the Turkish melittids), 5 Dasypoda and 3 Melitta, have type localities from Anatolia: Dasypoda tubera (İçel), D. warnckei (Kayseri), D. longigena (Anatolia, locality uncertain), D. pyrotrichia (Anatolia, locality uncertain), D. spinigera (Kayseri), Melitta bicollaris (Erzurum), M. rasmonti (Hakkari), and M. singular (Kırşehir). Of these, D. longigena, D. warnckei, M. bicollaris, M. singular, and M. rasmonti are endemic to Anatolia (20% of the total species). Dasypoda spinigera and D. pyrotrichia are quite widespread both in Turkey and outside of Turkey. Dasypoda pyrotrichia has been recorded mostly from the northeastern part of Anatolia. Michez (2012) pointed out that 3 subspecies of D. pyrotrichia are recognized in 3 different areas around the Mediterranean basin: Spain, Greece/Bulgaria, and Anatolia. Dasypoda longigena and D. friesana were described by Schletterer (1890) from Turkey and Greece, respectively. No material has been found since the description of both of these species in Turkey. However, Warncke (1973) added new localities for D. friesana from Greece and Macedonia. Unfortunately, they appear to be either extinct or on the verge of extinction in Turkey. In general, when we take a look at the distribution range of the Melittidae fauna of Turkey, all the species occurring in Turkey are associated within the 454 Mediterranean, particularly the East Mediterranean basin. The Mediterranean is a vast, biologically rich region, comprising Mediterranean ecosystems, arid and semiarid coastal and inland ecotones, and landscapes of faunistic and floristic richness set in a geographically diverse mosaic. The topography is varied, with many mountainous regions but also with low-lying plains and coastal strips. This could explain the high diversity of plants and animals as well as Melittidae bees in Anatolia. I suggest that the speciation of most of these species occurred in the Mediterranean basin, including Anatolia, and then dispersed to various directions. In their dispersal, apart from paleogeographic and paleoclimatic events, dispersal power (being large in size with a strong body structure) and the adaptive features of these species could play an important role. It is worth emphasizing that the current knowledge on the distribution and fauna of the family Melittidae in Turkey is still incomplete. There are approximately 10 species known from only 1 locality each. Furthermore, the occurrence of several species that are known to occur in neighboring countries is suspected. In particular, the occurrence in Turkey of the following species seems likely or at least possible: Dasypoda litigator Bakker, 2002 and D. intermedia Michez, 2005 were recently described from Iran; D. syriensis Michez, 2004 was described from Syria; and D. cingulata Erichson, 1835 occurs in Mediterranean countries including Greece. I think that all of these species theoretically could occur in Turkey, although intensive collections must be conducted in various places, in particular at the appropriate time of the year and on the right host plant. 4.1. Melittidae bees as pollinators of cultivated and wild plants 4.1.1. Pollinators of crops Mutualisms between insects and plants are widely recognized as indispensable components in ecosystems functioning (Bronstein et al., 2006). Agricultural pollination is the first indispensable step in a process that results in the production of fruits, vegetables, nuts, and seeds. Therefore, agriculture is highly dependent on insect pollination (McGregor, 1976; O’Toole and Raw, 1991; Free, 1993; Cunningham et al., 2002; Woodcock, 2012; Garibaldi et al., 2013). Bees are present in most ecosystems, where they are primarily responsible for the pollination of flowering plants, playing a key role in ecosystems dynamics. It is a well-known fact that more than 35% of global crop production depends on insect pollination. Most of these pollinators are wild bees (Pedersen, 1961; Palmer-Jones et al., 1966; Corbet et al., 1993; Kremen et al., 2002; Velthuis and Doorn, 2006; Klein et al., 2007; Garibaldi et al., 2013). Wild bees are of enormous ecological and economic importance as pollinators of many cultivated and wild plants and are thought to account for 75% of ÖZBEK / Turk J Zool crop pollination requirements (Nabhan and Buchmann, 1997); hence, they are often termed a keystone species (O’Toole, 1993). Only a dozen bee species are managed for pollination worldwide (Kremen et al., 2002); in contrast, hundreds to thousands of the world’s more than 20,000 wild bee species contribute to crop pollination as unmanaged populations (McGregor, 1976; Corbet et al., 1991; Free, 1993; Nabhan and Buchmann, 1997). It has often been observed that alternative bee species are either equally efficient or more efficient than the most widely used managed pollinator, Apis mellifera L., in a variety of crops (alfalfa, blueberry, red clover, cranberry, sunflower, watermelon, tomato, and many more) (Parker et al., 1987; Kevan et al., 1990; Woodcock, 2012). Woodcock (2012) indicated that even plants that are considered self-fertile can often realize a benefit in the quantity or quality of production from cross-pollination, or even from the activity of insects moving pollen around on the flower that results in more grains being delivered. Even in self-compatible plants, self-pollination is often an “emergency mechanism” used by the plant to assure some reproduction if cross-pollination fails. Seeds and fruits that develop as a result of self-pollination are often smaller and of lower quality than those resulting from crosspollination, because the plant will preferentially invest resources in cross-pollinated offspring and others may even be aborted, reducing yield. Like many groups of phytophagous insects (Jaenike, 1990), bees show variation in host-plant use as well as hostplant breadth. Whereas many bee species exhibit floral specificity, visiting only a restricted number of suitable and available plant taxa throughout their range (i.e. monolecty or oligolecty), others display a wider spectrum of pollen hosts (i.e. mesolecty or polylecty) (Michez et al., 2008). In general, when we examine the Melittidae species associated with plant species, Dasypoda has a strong preference for the family Asteraceae, Melitta has a strong preference for Fabaceae, and Macropis is monolectic on Primulaceae. Under these circumstances, as a family, Melittidae display a polylectic structure. Among the cultivated plants, sunflower, Helianthus annuus, and safflower, Carthamus tinctorius, were visited by D. hirtipes, D. pyriformis, and D. braccata. Particularly, D. hirtipes has been found to be the most intense and widespread species and frequently visits these plants. Different cultivars of sunflowers exhibit different degrees of self-fertility. The isolated heads usually hold approximately 10%–20% seeds, compared with 70%–90% in exposed heads (Free, 1993). Observations and experiments on the field scale confirm the value of bees in pollinating sunflowers and demonstrate that a shortage of bees may limit sunflower seed production (Free, 1993). Although the honey bee (A. mellifera) is usually the most abundant bee species visiting sunflowers and constitutes the highest percentage, Çalmaşur and Özbek (1999) reported that many locally abundant bees contribute to pollination and may be major pollinators. These researchers found that of 42 bee species in the 5 families visiting sunflowers in Erzurum, honey bees accounted for approximately 80%, with wild bees representing 20%. Free (1993) noted that although relatively few in number, solitary bees are the most efficient pollinators of sunflowers. Whereas honey bees often show little interest in collecting sunflower pollen, solitary bees often concentrate on doing so. Safflower is commercially cultivated for vegetable oil extracted from its seeds. It is now grown as an oil crop in Turkey and some other countries. Boch (1961) caged 3 plots of safflowers to exclude bees and found that they produced only approximately half as much seed as uncaged plots. He found that 90% of the insects visiting safflowers were honey bees. Various researchers found that, besides honey bees, different wild bee species visited safflowers (Free, 1993). Eckert (1962) found that a selffertile cultivar of safflowers set as much seed when caged to exclude insects as in the open (66: 64% set), although a cultivar that was a somewhat self-sterile set less when caged than in the open (41: 59% set). Dasypoda hirtipes visits safflowers; it could be one of the efficient pollinators in favorable conditions in Turkey. Chicory, Cichorium intybus, is a light and refreshing vegetable used in salads and sandwiches; the flowers are also edible for salads and they can be frozen in ice cubes that are then added to iced tea. This plant is very abundant and widespread in Turkey, but cultivation might be very restricted. Most of the Dasypoda species, including D. tubera, D. warnckei, D. argentata, D. braccata, D. friesana, and D. spinigera, and, in particular, D. hirtipes, visit C. intybus flowers, from which they mostly collect pollen. It is evident from the present study that the genus Melitta is shown to be polylectic, although it exhibits a clear preference for the family Fabaceae. Among the Melitta species, M. leporina, M. dimidiata, and M. bicollaris play an important role in the pollination of Fabaceae plants, such as alfalfa (M. sativa), sainfoin (O. viciifolia), red clover (T. pratense), white clover (T. repens), soybean (Glycine max L.), beans (Phaseolus spp.), pea (Pisum sativum L.), chickpeas (Cicer arietinum L.), peanut (Arachis hypogaea L.), and licorice (Glycyrrhiza glabra L.) (Free, 1993). Pollination has frequently been the principal limiting factor in the growing of these plants, particularly alfalfa and red clover, for seed. Field observations, especially in East and Central Anatolia, and previous studies (Özbek, 1976, 1979, 2008) revealed that M. leporina is a valuable pollinator of alfalfa in Turkey. The flower of alfalfa is peculiar, constructed so that the staminal column is held under pressure within the keel 455 ÖZBEK / Turk J Zool by interlocking projections from the keel and wing petals. When the tension is released, the staminal column snaps forward against the standard petal, causing the pollen to be distributed (Pedersen, 1961). This process is known as “tripping”, and once it has occurred, the staminal column does not return to the keel. Tripping is accomplished when the keel is pressed down by the weight of a visiting bee (Pedersen, 1961; Özbek, 1979; Free, 1993). Individual alfalfa plants range from being completely self-sterile or completely self-fertile, although more seeds are formed per pod from cross-pollination than from self-pollination and seeds from cross-pollination are larger (Free, 1993). Özbek (1979) found that in caged pods, setting was 5.48% and seeds per pod were 1.42, while in exposed conditions they were 64.49% and 4.34, respectively. Although the relative importance of honey bees and wild bees differs greatly in different localities, a high proportion of honey bees visiting alfalfa flowers fail to pollinate them, particularly in locations where competing plants are abundant (Free, 1993). I observed that honey bees rarely visit alfalfa flowers and fail to collect pollen in Erzurum due to the abundance of other flowering plants such as O. viciifolia, Melilotus alba, M. officinalis, and T. repens in the area. Likewise, Özbek (1979) noted that wild bees were important in the pollination of alfalfa and listed 26 species visiting alfalfa flowers in Erzurum Province. Later, in his countrywide study, he found that approximately 150 species of bees in 5 families of 30 genera visited alfalfa flowers in Turkey, which is located in the area where alfalfa supposedly originated (Özbek, 2008). Among the Melittidae species, M. leporina was one of the most efficient pollinators of alfalfa. It is widespread in Turkey (Figure 2), active from sunrise to sunset during the flowering period and visiting 14–16 alfalfa flowers per minute. I made a field trip to Central Anatolia, which is the main alfalfa seed-growing area of Turkey, to detect the activities and pollinating efficiency of M. leporina and make demonstrations in the field to the experts at the Agricultural Ministry. We observed together that it is very abundant in Central Anatolia and active throughout the flowering period, efficiently pollinating alfalfa flowers. The experts tracked the activities of M. leporina and revealed the importance of this bee in the pollination of the alfalfa plant. Free (1993) noted that M. leporina is a particularly good alfalfa pollinator in some other countries, such as Bulgaria, Denmark, France, Hungary, Poland, Sweden, and the former USSR. In contrast to M. leporina, 2 other Melitta species, M. dimidiata and M. bicollaris, rarely visit alfalfa, especially in the presence of sainfoin (O. viciifolia) and some other competing plants such as Melilotus alba, M. officinalis, Lotus corniculatus and T. repens in the surroundings. Field observations and my previous studies (Özbek, 1979, 2008) revealed that both of these species show a definite 456 preference for sainfoin pollens and, while collecting the pollens, pollinate about 90% of the flowers visited. The population of M. dimidiata is much larger than that of M. bicollaris, which has a distribution area restricted to the eastern part of the country. Regarding sainfoin pollinators, M. dimidiata is the most abundant and widespread wild bee; it visited 13–15 flowers per minute and foraged at 0600–1800 hours (Özbek, 1979). Among the wild bees it could be the best pollinator of sainfoin in Turkey. Although it is slightly self-fertile, it is a cross-pollinated plant. Clovers (Trifolium spp.) are also important crops with high value as livestock forage, green manure, and cover crops and also as honey plants in Turkey. Red clover (T. pratense), white clover (T. repens), and alsike clover (T. hybridum) are the major species growing in Turkey (Açıkgöz, 2001). The flowers of clover follow the typical legume structure, although the individual tubular flowers are small, narrow, and grouped together in inflorescences. The anthers dehisce and release the pollen inside the bud prior to opening. The weight of a flower visitor exerts pressure on the standard and wing petals and causes the anthers and stigma to extend forward and press against the underside of the head of the visitor (Free, 1993). Following a visit, in contrast to the alfalfa flower, the sexual structures return to their original position, allowing the same flower to deliver pollen repeatedly (Bohart, 1957). The action of insects is required for a successful seed set. Manipulation of the flowers causes pollen to be deposited on the ventral surface of the pollinator bee at the same time that the stigma is contacted and cross-pollen delivered. Although the main pollinators of Trifolium spp., especially T. pratense, are various species of bumble bees and honey bees (Bohart, 1957; Palmer-Jones et al., 1966; Özbek, 1980; Woodcock, 2012), M. leporina, M. dimidiata, and M. bicollaris visit T. pratense, T. repens, and T. hybridum. Field observations revealed that the presence of competing plants in the vicinity of clover-growing area caused visiting Melitta species to be less frequent. The main competing plants are sainfoin (for M. dimidiata and M. bicollaris) and alfalfa (for M. leporina). My impression is that T. repens is more attractive for 3 of the Melitta species than the other Trifolium species. In conclusion, although the pollination of alfalfa, sainfoin, and clover species appear to present some difficulties, M. leporina is one of the most efficient pollinators of alfalfa, although it is less attracted to sainfoin and clover species. Melitta dimidiata and M. bicollaris, and especially the former, are very efficient pollinators of sainfoin, although they are moderately important for clover species. Furthermore, alfalfa is less attractive to M. dimidiata and M. bicollaris. It is clear that increasing floral abundance and plant diversity reduced pollinator visitations to the target plants, ÖZBEK / Turk J Zool suggesting competitive effects through both the quantity and diversity of resources. As pollinating agents of these leguminous plants, in order to obtain more benefits from these bee species, efforts should be made to avoid competition with other flower species. Additionally, Melitta species mostly nest in field margins (Celary, 2006). Therefore, in seed-growing areas, field margins, field edges and paths, headlands, fence-lines, and nearby uncultivated patches of lands are important refuges for them. 4.1.2. Pollinators of wild plants It is evident from this study and the literature data that, in addition to cultivated plants, the members of the family Melittidae visit many wild plant species in the various plant families and pollinate them. In order to conserve and maintain biodiversity and to keep ecology in good conditions, in addition to cultivated plants, wild plant species also have to be pollinated at the optimum level. Furthermore, pollinator bees are indirectly responsible for the persistence of other guilds that depend upon floral resources, such as herbivores and seed-eaters. Dasypoda species show a large variation in the hostplant choices. Michez et al. (2008) noted that most Dasypoda species seem to be oligolectic on actinomorphic plant families (i.e. those with radiate symmetry). Dasypoda hirtipes is the most widespread and abundant species visiting different plant species in the families Apiaceae, Asteraceae, Convolvulaceae, Dipsacaceae, Euphorbiaceae, Fabaceae, Lamiaceae, and Scrophulariaceae. Field observations and records reveal that it has a very strong preference to C. intybus in nature; however, in various localities, it also forages exclusively on Cephalaria gigantea, C. procera, and Melilotus officinalis. Dasypoda pyriformis, D. tubera, D. warnckei, D. toroki, and D. visnaga forage on various plant species in different families, although they exclusively visit the plant species in the family Asteraceae for pollen. D. argentata, D. braccata, D. frieseana, D. longigena, and D. spinigera forage mainly on the plant species in the family Dipsacaceae, particularly the Cephalaria species. I observed that in mountainous areas of East Anatolia (Ağrı, Erzurum, and Kars provinces), above 2000 m, almost all the plants of C. gigantea and C. procera host 1 or more of the above-mentioned Dasypoda species. Among the 2 Macropis species occurring in Turkey, only 1 sample has been collected belonging to M. frivaldszkyi, from Lysimachia vulgaris. Michez et al. (2008) noted that Macropis bees are apparently all oligolectic on Lysimachia. Females collect pollen and oil on Lysimachia, whereas nectar is usually collected from a wide variety of host plants. Concerning the Melitta species visiting wild plants, the present data revealed that although Melitta species visit various plant species in different families, they show a clear preference for the family Fabaceae. In particular, M. leporina and M. dimidiata are widespread and abundant bees, visiting various wild plants in the Fabaceae. Among them, Astragalus, Lotus, and Melilotus species have special importance due to occurring in mountainous sloping areas, especially in eastern part of the country. These are important pasture plants for grazing domestic animals as well as wildlife. Moreover, Melittidae species visit many plant species in different families. Turkey is a mountainous and hilly country. The average altitude is approximately 1250 m, and more than 60% of the total land has more than 15% slopes. Turkey is thus very sensitive to erosion and flood disasters. It is well known that plants provide protective cover on the land and prevent soil erosion. Diversity of various plants species is associated with many kinds of pollinators. The Melittidae include some of these pollinators. I should admit that in Turkey some farmers and even agricultural experts are unaware of the importance of bees as pollinators of crops and wild plants. Most of them rely on the honey bee alone (A. mellifera) for most crop pollination while the majority believe that wild bees are harmful insects, whereas, as we indicated previously, pollinator bees are well known to provide key ecosystem services to both natural and agroecosystems. Acknowledgments I would like to thank Dr Denis Michez (Université de Mons, Laboratoire de Zoologie, Mons, Belgium) for determining certain specimens. 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