Alexander BA, Schwarz M., 1994. A catalog of the species of Nomada (Hymenoptera:Apoidea) of the world. The University of Kansas Science Bulletin. 55:239–270.
Amiet F. 2012. Die Blattschneiderbiene Megachile sculpturalis Smith 1853 (Hymenoptera, Apidae) nun auch in der Schweiz. Entomo Helvetica. 5:156–159.
Ascher JS, Pickering J. 2015. Discover life bee species guide and world checklist (Hymenoptera:Apoidea:Anthophila) [cited 2015 May 31]. Available from: http://www.discoverlife.org/mp/20q?guide=Apoidea_species
Astafurova YA, Pesenko YA. 2006. Bees of the subfamily Nomiinae (Hymenoptera:Halictidae) in Russia and adjacent countries:an annotated list. Entomological Review. 86(1):74–84. [Original Russian text published in Entomologicheskoe Obozrenie. 85(1):206–217.]. doi:10.1134/S0013873806010040
Astafurova Y. 2014. Bees of the subfamilies Rhophitinae and Nomiinae (Hymenoptera, Halictidae) of the Russia and adjacent territories. St.-Petersburg:KMK Scientific Press Ltd.; 384 p.
Astafurova YV. 2013. Geographic distribution of Halictid bees of the subfamilies Rophitinae and Nomiinae (Hymenoptera, Halictidae) in the Palaearctic. Entomological Review. 93:437–451.
Atlas Florae, Europaeae. 2013. Distribution of Vascular Plants in Europe. In:Kurtto A, Sennikov AN, Lampinen R, editors. Rosaceae (Cydonia to Prunus, excl. Sorbus). Helsinki:The Committee for Mapping the Flora of Europe & Societas Biologica Fennica Vanamo; p. 168
Blüthgen P. 1923a. Beitrage zur Systematik der Bienengattung Halictus Latr. (Hym.). I. Die Binden-Halictus (Gruppe des sexcinctus F.). Konowia. 2(1–2):65–81; (3–4):123–142.
Blüthgen P. 1923b. Nota sobre “Halictus” de Canarias y España (Hym. Apidae). Boletin de la Real Sociedad Española de Historia Natural. 23(1):18–19.
Blüthgen P. 1924. Contribucion al conocimiento de las especies españolas de ‘Halictus’ (Hymenoptera Apidae). Memorias de la Real Sociedad Española de Historia Natural. 11:332–544.
Blüthgen P. 1937. Halictinae (Hymenoptera; Apidae) von den Kanarischen Inseln. Commentationes Biologicae. 6:1–11.
Blüthgen P. 1955. The Halictinae (Hymen. Apoidea) of Israel. I. Genus Halictus (subgenera Halictus s.str. and Thrincohalictus). Bulletin of the Research Council of Israel, Secion B. 5:5–23.
Blüthgen P., 1958. Entomologische Ergebnisse der finnlandischen Kanaren-Expedition 1947-51. No. 17. Halictinae (Hym., Apoidea) und Diploptera (Hym.) von den Kanarischen Inseln. Commentationes Biologicae. Societas Scientiarum Fennica. 18(6):1–13.
Bogush P, Straka J. 2012. Review and identification of the cuckoo bees of central Europe (Hymenoptera:Halictidae:Sphecodes). Zootaxa. 3311:1–41.
Brasero N, Martinet B, Lecocq T, Lhomme P, Biella P, Valterová I, Urbanová K, Cornalba M, Hines H, Rasmont P. 2017. The cephalic labial gland secretions of two socially parasitic bumblebees Bombus hyperboreus (Alpinobombus) and Bombus inexspectatus (Thoracobombus) question their inquiline strategy. Insect Science. doi:10.1111/1744-7917.12408
Brullé GA. 1839/1840. Insectes. Hyménoptères. In:Barker-Webb M P, and Berthelot S, editors. Histoire naturelle des Iles Canaries. Tom 2. 2e partie. Paris:Bethune; p. 84–93; 1836–1844. 119 p., 8 pls.
Dalla Torre CG. 1896. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Vol. X. Apidae (Anthophila)–Lipsiae (Leipzig):Sumptibus Guilelmi Engelmann, VIII + 643 p.
De Lattin G. 1967. Grundriss der Zoogeographie. Jena:Gustav Fischer Verlag; 602 p.
Diniz, MA de. 1959. Estado actual do conhecimento dos himenópteros de Portugal. Memórias e Estudos do Museu Zoológico da Universidade de Coimbra. 259:1–42.
Dusmet Alonso JM. 1924. Algunos himenópteros de Canarias. Boletín de la Real Sociedad Española de Historia Natural. 24:455–458.
Ebmer AW. 1972. Neue westpaläarktische Halictidae (Halictinae, Apoidea). Mitteilungen aus dem Zoologischen Museum in Berlin. 48:225–263.
Ebmer AW. 1974. Beiträge zur Kenntnis der Fauna Afghanistans. Halictus Latr. et Lasioglossum Curt., Halictidae, Apoidea, Hymenoptera. Časopis Moravského musea v Brně. 59:183–210.
Ebmer AW. 1975. Neue Westpaläarktische Halictidae (Halictinae, Apoidea). Teil III. Linzer biologische Beiträge. 7:41–118.
Ebmer AW. 1978. Halictus, Lasioglossum, Rophites und Systropha aus dem Iran (Halictidae, Apoidea). Linzer biologische Beiträge. 10:1–109.
Ebmer AW. 1979. Ergänzungen zur Bienenfauna Iberiens. Die Gattungen Halictus, Lasioglossum und Dufourea (Apoidea, Hymenoptera). Linzer biologische Beiträge. 11:117–146.
Ebmer AW. 1984. Die westpaläarktischen Arten der Gattung Dufourea Lepeletier 1841 mit illustrierten Bestimmungstabellen (Insecta:Hymenoptera:Apoidea:Halictidae:Dufoureinae). Senckenbergiana biologica. 64:313–379.
Ebmer AW. 1988. Kritische Liste der nicht-parasitischen Halictidae Österreichs mit Berucksichtigung aller mitteleuropaïschen Arten (Insecta:Hymenoptera:Apoidea:Halictidae). Linzer biologische Beiträge. 20:527–711.
Ebmer AW. 1989. Die westpaläarktischen Arten der Gattung Dufourea Lepeletier 1841 mit illustrierten Bestimmungstabellen (Insecta:Hymenoptera:Apoidea:Halictidae:Dufoureinae). Zweiter Nachtrag. Linzer biologische Beiträge. 21:193–210.
Ebmer AW. 2009. Bienenkundliche Forschungen am Peloponnes 1974–2008 Vortrag zur 75. Entomologentagung der Entomologischen Arbeitsgemeinschaft am Oberösterreichischen Landesmuseum in Linz am 9. November 2008. Linzer biologische Beiträge. 41:49–67.
Ebmer AW. 2011. Pater Andreas Werner Ebmer - ständig von Bienen begleitet. Eine autobiografische Skizze anlässlich des 70. Geburtstages. Linzer biologische Beiträge. 43:905–1017.
Ebmer AW. 2014. Die nicht-parasitischen Halictidae der Insel Zypern im Vergleich zu Kreta mit einer Monographie der Lasioglossum bimaculatum-Artengruppe und einer Übersicht der Halictus nicosiae-Untergruppe (Insecta:Hymenoptera:Apoidea:Halictidae). Linzer biologische Beiträge. 46:291–413.
Ebmer AW. 2015. Die westpaläartischen Arten der Gattung Dufourea Lepeletier 1841 (Hymenoptera:Apoidea:Halictidae:Rophitinae). Sechster Nachtrag. Linzer biologische Beiträge. 47:441–448.
Ebmer AW, Gusenleitner J. 1972. Über Halictus s. 1. (Apidae) und Eumenidae der Kanarischen Inseln. (Hym.). Nachrichtenblatt der Bayerischen Entomologen. 21:7–10.
Falk S, Lewington R. 2015. Field Guide to the Bees of Great Britain and Ireland. Baydon:Bloomsbury; 432 p.
Fateryga AV. 2015. Dasypoda toroki Michez, 2004. In:Ivanov SP, and Fateryga AV, editors. Red book of the Republic of Crimea. Animals. Simferopol:PP «ARIAL» LLC; p. 229; 440 p.
Fateryga AV, Ivanov SP, Filatov MA. 2013. Stelis aculeata–a cleptoparasitic bee species new for the fauna of Europe and new findings of its presumable host, Hoplitis princeps (Hymenoptera:Megachilidae) in the Crimea. Ekosistemy, ikh Optimizatziya i Okhrana [Optimization and Protection of Ecosystems]. 8:61–65.
Friese H. 1898. Die Bienen Europa’s (Apidae Europaeae) Nach Ihren Gattungen, Arten Und Varietäten auf Vergleichend Morphologisch-Biologischer Grundlage. Theil IV. Solitäre Apiden. Innsbruck u. Imst.: C Lampe; 228 p.
Friese H. 1916. Die Formen des Halictus quadricinctus F., sowie einige neue Halictus Arten der paläarktischen Region (Hym.). Deutche entomologische Zeitschift. 1916:25–34.
Grace A. 2010. Introductory biogeography to bees of the Eastern Mediterranean and Near East. 1st ed. Bexhill:Bexhill Museum; 284 p.
Gusenleitner F, Schwarz M. 2002. Weltweite Checkliste der Bienengattung Andrena mit Bemerkungen und Ergänzungen zu paläarktischen Arten (Hymenoptera, Apidae, Andreninae, Andrena). Entomofauna suppl. 12:1–1280.
Hartmann P, Arens W. 1998. Beitrag zur Kenntnis der Biologie und Verbreitung der Megachile diabolica Friese 1898 mit Erstbeschreibung des Männchens. Linzer biologische Beiträge. 30:349–364.
Hazir C, Keskin N, Scheuchl E., 2014. Faunistic, geographical and biological contributions to the bee genus Andrena (Hymenoptera, Andrenidae, Andreninae) from Turkey. Journal of Hymenoptera Research. 38:59–133.
Kuhlmann M, Ascher JS, Dathe HH, Ebmer AW, Hartmann P, Michez D, Müller A, Patiny S, Pauly A, Praz C, et al. 2014. Checklist of the Western Palaearctic bees [cited 2015 Oct 29]. Available from: www.westpalbees.myspecies.info
Lecocq T, Brasero N, De Meulemeester T, Michez D, Dellicour S, Lhomme P, de Jonghe R, Valterová I, Urbanová K, Rasmont P. 2015. An integrative taxonomic approach to assess the status of Corsican bumblebees:implications for conservation. Animal Conservation. 18:236–248.
Lieftinck MA. 1958. A preliminary account of the Bees of Canary Islands (Hym. Apoidea). Commentationes biologicae. 18:1–34.
Løken A. 1973. Studies on Scandinavian Bumble Bees (Hymenoptera, Apidae). Norsk entomologisk Tidsskrift. 20:1–218.
Lykov VA. 2008. The bees (Hymenoptera, Apoidea) of the insular Kungur forest-steppe. Bulletin of the Perm University. Series:“Biology”. 9:32–36.
Maidl F. 1922. Beiträge zur Hymenopterenfauna Dalmatiens, Montenegros und Albaniens. Annalen des Naturhistorischen Museums in Wien. 35:36–106.
Manvelyan K. 2013. Site-scale investment priorities:The example of the Caucasus, p. 81–83 in Barcellos Harris M., Bendix J, Bennun L, Boeuf G, Corat SG, Dagenais D, Darwall W, Devictor V, Donlan JC, Drummond GM, Evans D, Foster MN, Hussain S, Kasisi R, Lourie SA, Lovejoy TE III, Manvelyan K, Matiku P, Minasyan A, Natori Y, Ouoba R, Patry M, Price MF, Schaffer D, Smith GF, Thaman RR, Whittaker RJ, Xepapadeas. A Tracking key trends in biodiversity science and policy. Paris:UNESCO; 150 p.
Masseti M, Bruner E. 2009. The primates of the western Palaearctic:a biogeographical, historical, and archaeozoological review. Journal of Anthropological Sciences. 87:33–91.
Mavromoustakis GA. 1949. On the bees (Hymenoptera, Apoidea) of Cyprus. Part I. The Annals and Magazine of Natural History (London). 12th Ser. 1(8):541-587.
Mavromoustakis GA. 1951. On the bees (Hymenoptera, Apoidea) of Cyprus. Part II. The Annals and Magazine of Natural History (London). 12:334–354.
Mavromoustakis GA. 1952. On the bees (Hymenoptera, Apoidea) of Cyprus. Part III. The Annals and Magazine of Natural History (London). 12:814–843.
Mavromoustakis GA. 1953. On the bees (Hymenoptera, Apoidea) of Cyprus. Part IV. The Annals and Magazine of Natural History (London). 12:769–781.
Mavromoustakis GA. 1954. On the bees (Hymenoptera, Apoidea) of Cyprus. Part V. The Annals and Magazine of Natural History (London). 12:578–588.
Mavromoustakis GA. 1957a. On the bees (Hymenoptera, Apoidea) of Cyprus. Part VII. The Annals and Magazine of Natural History (London). 12:321–337.
Mavromoustakis GA. 1957b. On the bees (Hymenoptera, Apoidea) of Cyprus. Part VIII. The Annals and Magazine of Natural History (London). 12:843–850.
Mavromoustakis GA. 1963. The bees (Hymenoptera, Apoidea) of Attica (Greece). Part 3. The Annals and Magazine of Natural History (London). 13:689–696.
Michez D., 2010. The genus Promelitta Warncke 1977. Mons:Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=19
Michez D., 2011. The genus Eremaphanta Popov 1940. Mons:Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=20
Michez D., 2012a. Atlas of the European Bees:genus Dasypoda. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=195
Michez D., 2012b. Atlas of the European Bees:genus Macropis. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=196
Michez D., 2012c. Atlas of the European Bees:genus Melitta. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=197
Michez D, Eardley C. 2007. Monographic revision of the bee genus Melitta Kirby 1802 (Hymenoptera:Apoidea:Melittidae). Annales de la Société entomologique de France (n.s.). 43:379–440.
Michez D, Else GR, Roberts SPM. 2007. Biogeography, floral choices and redescription of Promelitta alboclypeata (Friese 1900) (Hymenoptera:Apoidea:Melittidae). African Entomology. 15:197–203.
Michez D, Kuhlmann M, Ivanov SP, Radchenko VG. 2012. Description of four new species in the bee genus Melitta Kirby, 1802 (Hymenoptera:Melittidae). Zootaxa. 3337:57–67.
Michez D, Patiny S. 2005. World revision of the oil-collecting bee genus Macropis Panzer 1809 (Hymenoptera, Apoidea, Melittidae) with a description of a new species from Laos. Annales de la Société entomologique de France (n. s.). 41:15–28.
Michez D, Patiny S. 2006. Review of the bee genus Eremaphanta Popov 1940 (Hymenoptera, Apoidea, Melittidae), with the description of a new species. Zootaxa. 1148:47–68.
Michez D, Terzo M, Rasmont P. 2004. Révision des espèces ouest-paléarctiques du genre Dasypoda Latreille 1802 (Hymenoptera, Apoidea, Melittidae). Linzer Biologische Beiträge. 36:847–900.
Mitroiu M, Noyes J, Cetkovic A, Nonveiller G, Radchenko A, Polaszek A, Ronquist F, Forshage M, Pagliano G, Gusenleitner J, et al. 2015. Fauna Europaea:Hymenoptera–Apocrita (excl. Ichneumonoidea). Biodiversity Data Journal. 3:e4186.
Müller A. 2012. New European bee species of the tribe Osmiini (Hymenoptera:Apoidea:Megachilidae). Zootaxa. 3355:29–50.
Müller A. 2016. Palaearctic Osmiine Bees. ETH Zürich. [cited 2016 Dec 20]. Available from: http://blogs.ethz.ch/osmiini
Müller A, Trunz V. 2014. Palaearctic osmiine bees of the genera Hofferia and Stenoheriades (Megachilidae, Osmiini):biology, taxonomy and key to species. Zootaxa. 3765:175–186.
Nieto A, Roberts SPM, Kemp J, Rasmont P, Kuhlmann M, García Criado M, Biesmeijer J, Bogusch P, Dathe HH, De la Rúa P, et al. 2014. European red list of bees. International Union for conservation of nature. Luxembourg:Publication Office of the European Union; I–X + 84 p. ISBN:978-92-79-44512-5. doi:10.2779/77003
Ornosa C, Ortiz-Sánchez FJ, Torres F. 2007. Catálogo de los Megachilidae del Mediterráneo Occidental (Hymenoptera, Apoidea). II. Lithurgini y Megachilini. Graellsia. 63:111–134.
Ortiz-Sánchez FJ, Pauly A. 2016. Primera cita de Xylocopa (Koptortosoma) pubescens Spinola, 1838 (Hymenoptera, Apidae) en Europa occidental. Boletín de la Asociación española de Entomología. 40:499–501.
Osytshnjuk AZ, Romasenko L, Banaszak J, Cierzniak T. 2005. Andreninae of the Central and Eastern Palaearctic. Part 1. Vol. 2. Poznan:Polish Entomological Society; 235 p. ISBN 83-89-887-35-5.
Osytshnjuk AZ, Romasenko L, Banaszak J, Motyka E. 2008. Andreninae of the Central and Eastern Palaearctic. Part 2. Vol. 5. Poznan:Polish Entomological Society; 233 p. ISBN 978-83-61607-11-3.
Pagnetti-Hummler G. 1912. Beitrag zur Apidenfauna zu Corfù. Zeitschrift fur wissenschaftliche Insektenbiologie, Berlin. 8:380–381.
Patiny S., 2012a. Atlas of the European Bees:genus Avpanurgus. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=229
Patiny S., 2012b. Atlas of the European Bees:genus Camptopoeum. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=230
Patiny S., 2012c. Atlas of the European Bees:genus Clavipanurgus. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=33
Patiny S., 2012d. Atlas of the European Bees:genus Flavipanurgus. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=24
Patiny S., 2012e. Atlas of the European Bees:genus Flavomeliturgula. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=29
Patiny S., 2012f. Atlas of the European Bees:genus Gasparinahla. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=30
Patiny S., 2012g. Atlas of the European Bees:genus Melitturga. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=234
Patiny S., 2012h. Atlas of the European Bees:genus Meliturgula. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=32
Patiny S., 2012i. Atlas of the European Bees:genus Panurginus. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=232
Patiny S., 2012j. Atlas of the European Bees:genus Panurgus. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=228
Patiny S., 2012k. Atlas of the European Bees:genus Plesiopanurgus. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=231
Patiny S., 2012l. Atlas of the European Bees:genus Simpanurgus. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=27
Patiny S, Michez D, Rasmont P. 2009. Survey of wild bees in West-Palaearctic region. Apidologie. 40:313–331.
Patiny S, Pauly A., 2011. Atlas of the European Bees:genus Systropha. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be/hymenoptera/page.asp?ID=208
Paulus HF. 1997. Signale in der Bestäuberanlockung:Weibchenimitation als Bestäubungsprinzip bei der mediterranen Orchideengattung Ophrys. Verhandlungen der Zoologisch-Botanischen Gesellschaft in Österreich, Wien. 134:133–176.
Paulus HF, Hirth M. 2009. Pollination biology and systematics of the Ophrys holoserica-episcopalis group:Ophrys saliarisii nov. spec. from Chios and Rhodos (Orchidaceae and Insecta, Apoidea, Anthophoridae). Journal Europäischer Orchideen. 41:663–680.
Pauly A. 2000. Classification des Nomiinae africains:le genre Leuconomia Pauly, 1980 (Hymenoptera, Apoidea, Halictidae). Bulletin de l’Institut royal des Sciences naturelles de Belgique, Entomologie. 70:165–188.
Pauly A., 2011a. Atlas of the European Bees:genus Ceylalictus. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be/hymenoptera/page.asp?ID=203
Pauly A., 2011b. Atlas of the European Bees:genus Halictus, subgenus Halictus. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be/hymenoptera/page.asp?ID=199
Pauly A., 2011c. Atlas of the European Bees:genus Nomioides. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be/hymenoptera/page.asp?ID=204
Pauly A., 2011d. Atlas of the European Bees:genus Rhophitoides. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be/hymenoptera/page.asp?ID=210
Pauly A., 2012. Le genre Morawitzia Friese 1902. Mons:Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.atlashymenoptera.net/page.asp?ID=190
Pauly A. 2013. Le genre Pseudapis W.F.Kirby 1900. Mons:Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.atlashymenoptera.net/page.asp?ID=83
Pauly A., 2014. Les Sphecodes de l’Ancien Monde. Mons:Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.atlashymenoptera.net/page.asp?ID=162
Pauly A., 2015a. The species of the genus Apis Linnaeus. Mons:Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.atlashymenoptera.net/page.asp?ID=238
Pauly A., 2015b. Le genre Nomiapis Cockerell 1919. Mons:Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.atlashymenoptera.net/page.asp?ID=72
Pauly A., 2016a. Genus Crocisaspidia Ashmead (Hymenoptera, Halictidae). Mons:Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=81
Pauly A., 2016b. Les Dialictus Robertson, 1902 de la Région Paléarctique. Mons:Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.atlashymenoptera.net/page.asp?id=128
Pauly A., 2016c. Le genre Lasioglossum, sous-genre Evylaeus Robertson, 1902, de la Region Paléarctique. Mons:Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.atlashymenoptera.net/page.asp?ID=95
Pauly A., 2016d. Le genre Lasioglossum, sous-genre Lasioglossum Curtis 1833 en Europe et dans le Bassin Méditerranéen. Mons:Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.atlashymenoptera.net/page.asp?ID=105
Pauly A., 2016e. Le genre Lasioglossum, sous-genre Ctenonomia Cameron 1903. Mons:Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.atlashymenoptera.net/page.asp?ID=89
Pauly A., 2016f. Le genre Lipotriches Gerstaecker 1858. Mons:Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.atlashymenoptera.net/page.asp?ID=91
Pauly A., 2016g. Genus Seladonia Robertson, 1918. Mons:Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.atlashymenoptera.net/page.asp?ID=67
Pauly A., 2016h. Le genre Thrincohalictus Blüthgen, 1955. Mons:Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.atlashymenoptera.net/page.asp?id=113
Pauly A., 2016i. Le genre Vestitohalictus Blüthgen, 1961. Mons:Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.atlashymenoptera.net/page.asp?id=97
Pauly A, Devalez J, Sonet G, Nagy ZT, Boevé J-L. 2015. DNA barcoding and male genital morphology reveal five new cryptic species in the West Palearctic bee Seladonia smaragdula (Vachal, 1895) (Hymenoptera:Apoidea:Halictidae). Zootaxa. 4034:257–290.
Pauly A, Patiny S., 2011. Atlas of the European Bees:genus Rophites. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be/hymenoptera/page.asp?ID=211
Pauly A, Patiny S., 2015. Atlas of the genus Dufourea. Mons:Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be/hymenoptera/page.asp?ID=191
Pauly A, Pesenko Y, Radchenko V., 2016. Les Halictus Latreille, 1804 d’Europe et du Bassin Méditerranéen. Mons:Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.atlashymenoptera.net/page.asp?id=70
Pesenko Y. 1984. Sistematika pchel roda Halictus Latreille (Hymenoptera, Halictidae) s opisaniem metasomal sternumov 7 i 8 samtsov; podrod Platyhalictus [Systematics of bees of the genus Halictus Latreille (Hymenoptera, Halictidae) with description of 7th and 8th metasomal sterna of males:subgenus Platyhalictus]. Trudy Zoologicheskogo Instituta Akademii Nauk SSSR (Leningrad). 128:33–48. Russian.
Pesenko Y. 2004. The phylogeny and classification of the tribe Halictini with special reference to the Halictus genus group (Hymenoptera:Halictidae). Zoosystematica Rossica. 13:83–113.
Pesenko Y. 2006. Contributions to the halictid fauna of the Eastern Palaearctic Region:genus Lasioglossum Curtis (Hymenoptera:Halictidae, Halictinae). Zoosystematica Rossica. 15:133–166.
Petanidou T, Ståhls G, Vujić A, Olesen JM, Rojo S, Thrasyvoulou A, Sgardelis S, Kallimanis AS, Kokkini S, Tscheulin T. 2013. Investigating plant–pollinator relationships in the Aegean:the approaches of the project POL-AEGIS (The pollinators of the aegean archipelago:diversity and threats). Journal of Apicultural Research. 52:106–117.
Pittioni B. 1950. On the insect fauna of Cyprus. Results of the expedition of 1938 by Harald, Håkan and P. H. Lindberg. v. Hymenoptera aculeata I:Diplotera, Fossores und Apoidea der Insel Cypern. Societas Scientiarum Fennica, Commentationes Biologicae. 10:1–94.
Proshchalykin MY, Astafurova Y. 2012. Halictid bees (Hymenoptera, Apoidea:Halictidae) of Ukraine:fauna and zonal distribution. A.I. Kurentsov’s Annual Memorial Meetings. 23:93–113.
Proshchalykin MY, Kuhlmann M. 2015. Additional records of the genus Colletes Latreille (Hymenoptera:Apoidea:Colletidae) from Siberia, with a checklist of Russian species. Zootaxa. 3949:323–344.
Quaranta M, Sommaruga A, Balzarini P, Felicioli A. 2014. A new species for the bee fauna of Italy:Megachile sculpturalis continues its colonization of Europe. Bulletin of Insectology. 67:287–293.
Radchenko VG. 2016. A new widespread European bee species of the genus Dasypoda Latreille (Hymenoptera, Apoidea). Zootaxa. 4184:491–504.
Rasmont P. 2014a. Atlas of the European Bees:genus Amegilla. 1st ed. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from:http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=259
Rasmont P. 2014b. Atlas of the European Bees:genus Anthophora. 1st ed. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from:http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=260
Rasmont P. 2014c. Atlas of the European Bees:genus Cubitalia. 1st ed. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from:http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=281
Rasmont P. 2014d. Atlas of the European Bees:genus Habropoda. 1st ed. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from:http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=261
Rasmont P. 2014e. Atlas of the European Bees:genus Thyreomelecta. 1st ed. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from:http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=257
Rasmont P. 2014f. Atlas of the European Bees:genus Thyreus. 1st ed. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from:http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=258
Rasmont P. 2016. Atlas of the European Bees:genus Melecta. 2nd ed. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from:http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=256
Rasmont P, Dehon M. 2014a. Atlas of the European Bees:genus Ancyla. 1st ed. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from:http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=262
Rasmont P, Dehon M. 2014b. Atlas of the European Bees:genus Tarsalia. 1st ed. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from:http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=263
Rasmont P, Ebmer PA, Banaszak J, van der Zanden G. 1995. Hymenoptera Apoidea Gallica. Liste taxonomique des abeilles de France, de Belgique, de Suisse et du Grand-Duché de Luxembourg. Bulletin de la Société entomologique de France. 100:1–98.
Rasmont P, Haubruge E. 2016. Atlas Hymenoptera. Mons:Université de Mons Agro-Biotech. [cited 2016 Apr 1]. Available from:http://www.atlashymenoptera.net/,
Rasmont P, Iserbyt I. 2010–2014. Atlas of the European Bees:genus Bombus. 3d ed. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from:http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=169
Rasmont P, Roberts SPM, Michez D, Schweiger O, Franzen M, De Meulemeester T, Tomozei B, Radchenko V. 2013. Atlas of the European Bees:genus Andrena. 1st ed. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from:http://www.atlashymenoptera.net/page.asp?ID=243
Rebmann O. 1968. 3. Beitrag zur Kenntnis der Gattung Megachile LATR. (Hym. Apidae). Subgenus Eutricharaea und seine bisher bekanntgewordenen Arten. Deutsche Entomologische Zeitschrift N. F. 15:21–48.
Saunders E. 1903. Hymenoptera Aculeata, collected by the Rev. Alfred E. Eaton, M.A. in Madeira and Teneriffe, in the Spring of 1902, including on the species taken by the late T. Vernon Wollaston and F.A. Bellany. Transactions of the Entomological Society of London. 1903:207–218.
Saunders E. 1904. Aculeata Hymenoptera collected in Teneriffe by the Rev. A.E. Eaton, M.A. in the Spring of 1904, with descriptions of new species. Entomologist’s Monthly Magazine. 15:200–208, 229–234.
Scheuchl E, Hazir C. 2012. Description of three new Andrena species (Hymenoptera:Apoidea:Andrenidae) from Turkey. Florida Entomologist. 95:831–838.
Scheuchl E, Schwenninger HR. 2017. Checkliste der Wildbienen Deutschlands (Scheuchl & Schwenninger 2015), Aktualisierung Februar 2017 [cited 2017 Feb 6]. Available from: http://www.wildbienen-kataster.de/login/downloads/checkliste.pdf
Schmid-Egger C. 2012. Die taxonomischen Situation der Gattung Andrena (Andrenidae) in Mitteleuropa–Kommentar zu:Amiet et al. (2010):Fauna Helvetica, Apidae 6. Ampulex. 4:55–60.
Schmid-Egger C, Scheuchl E. 1997. Illustrierte Bestimmungstabellen der Wildbienen Deutschlands und Österreichs und Berücksichtigung der Arten der Schweiz. Band III Andrenidae. Velden:Eigenverlag; p. 180 S.
Schmidt S, Schmid-Egger C, Morinière J, Haszprunar G, Hebert PDN. 2015. DNA barcoding largely supports 250 years of classical taxonomy:identifications for Central European bees (Hymenoptera, Apoidea partim). Molecular Ecology Resources. 15:985–1000.
Schmiedeknecht O. 1882–1884. Apidae Europaeae (Die Bienen Europas) per genera, species et varietates dispositae atque descriptae. Tomus I. Gumperda:Nomada, Bombus, Psithyrus et Andrena; 866 p.
Schuberth J, Grünwaldt R, Schönitzer K. 2001. Klärung und Neubeschreibung der Sandbiene Andrena asiatica Friese, 1921 (Hymenoptera:Apidae, Andreninae). Beiträge zur Entomologie. 51:65–71.
Schwenninger HR. 2015. Revision of the Western Palaearctic species of the Andrena taraxaci-group with description of four new species (Hymenoptera:Andrenidae). Stuttgarter Beiträge zur Naturkunde A, Neue Serie. 8:251–270.
Sedivy C, Dorn S, Müller A. 2013. Molecular phylogeny of the bee genus Hoplitis (Megachilidae:Osmiini)–how does nesting biology affect biogeography? Zoological Journal of the Linnean Society. 167:28–42.
Snow D, W, Perrins CM. 1998. Handbook of the Birds of Europe, the Middle East, and North Africa:The Birds of the Western Palearctic. Vol. 1. Oxford:Oxford University Press; 1051 p; Vol. 2, 732 p.
Standfuss K, Standfuss L. 2012. Zur aktuellen Bienenfauna der Ölbaumzone in SO-Thessalien/Griechenland (Hymenoptera:Apoidea:Apiformes). 6. Nachträge, Korrekturen, Überblick. Entomofauna. 33:449–456.
Strand E., 1909. Die paläarktischen Halictus-Arten des Kgl. Zoologischen Museums zu Berlin; z. T. nach Bestimmungen von J. D. Alfken. Archiv für Naturgeschichte. Abt. A (Berlin), 75(1):1–62.
Terzo M., 2011. Atlas of the European Bees:genus Exoneuridia. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be/hymenoptera/page.asp?ID=212
Terzo M, Rasmont P., 2011. Atlas of the European Bees:genus Ceratina. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be/hymenoptera/page.asp?ID=192
Terzo M, Rasmont P., 2014. Atlas of the European Bees:genus Xylocopa. Mons:STEP Project, Atlas Hymenoptera. [cited 2016 Dec 20]. Available from: http://www.zoologie.umh.ac.be/hymenoptera/page.asp?ID=214
Tkalců B. 1984. Systematisches Verzeichnis der westpaläarktischen Tetralonia und Eucera Arten, deren Männchen als Blütenbesucher verschiedener Ophrys-Arten festgestellt wurden. Mit Beschreibung neuer Taxa (Hymenoptera:Apoidea). Nova Acta Regiae Societatis Scientiarum Upsaliensis Serie V:C. 3:57–77.
Tkalců B. 2003. Deux nouveaux taxa d’abeilles solitaires de Crète (Hymenoptera, Apoidea). Bulletin de la Société entomologique de Mulhouse. 59:1–4.
Ungricht S, Müller A, Dorn S. 2008. A taxonomic catalogue of the Palaearctic bees of the tribe Osmiini (Hymenoptera:Apoidea:Megachilidae). Zootaxa. 1865:1–253.
van Steenis J, Lucas JAW. 2011. Revision of the West-Palaearctic species of Pipizella Rondani, 1856 (Diptera, Syrphidae). Dipterists Digest. 18:127–180.
van Steenis J, Ricarte A, Vujić A, Birtele A, Speight MCD. 2016. Revision of the West-Palaearctic species of the tribe Cerioidini (Diptera, Syrphidae). Zootaxa. 4196:151–209.
Vereecken NJ, Barbier E. 2009. Premières données sur la présence de l’abeille asiatique Megachile (Callomegachile) sculpturalis SMITH (Hymenoptera, Megachilidae) en Europe. Osmia. 3:4–6.
Vicidomini S. 2006. Distribuzione della tribù Xylocopini (Hymenoptera:Apidae:Xylocopinae) in Grecia:Specie africane segnalate sull’ Isola di Zante. Annales Musei Goulandris Kifissia. 11:311–314.
Vöth W. 1989. Die Bestäuber von Orchis papilionaceae L. (Orchidaceae). Linzer biologische Beiträge. 21:391–404.
Warncke K., 1965. Beitrag zur Kenntnis der Bienengattung Andrena Fabricius in Griechenland. Beiträge zur Entomologie, Berlin. 15(1–2):27–76.
Warncke K. 1972. Westpaläarktische Bienen der Unterfamilie Panurginae (Hym., Apidae) [Pszczoly z podrodziny Panurginae (Hym., Apidae) w zachodniej Palearktyce]. Polskie Pismo Entomologiczne. 62:53–108.
Warncke K. 1974. Die Sandbienen der Türkei (Hymenoptera, Apoidea, Andrena), Teil A. Mitteilungen der Münchner Entomologischen Gesellschaft. 64:81–116.
Warncke K. 1975. Zur Kenntnis der Bienengattung Halictus Latr. auf den Kanarischen Inseln (Hym., Apoidea). Vieraea. 4:201–223.
Warncke K. 1978. Über die westpaläarktischen Arten der Bienengattung Colletes Latr. (Hymenoptera, Apoidea). Polskie Pismo Entomologiczne. 408:329–370.
Westrich P, Knapp A, Berney I. 2015. Megachile sculpturalis Smith 1853 (Hymenoptera, Apidae), a new species for the bee fauna of Germany, now north of the Alps. Eucera. 9:3–10.
Williams L, editor. 2004. The Caucasus Biodiversity Hotspot Briefingbook. Washington (DC):CEPF; 98 p.
Williams PH, Byvaltsev AM, Cederberg B, Berezin MV, Ødegaard F, Rasmussen C, Richardson LL, Huang J, Sheffield CS, Williams ST. 2015. Genes suggest ancestral colour polymorphisms are shared across morphologically cryptic species in arctic bumblebees. PLoS One. 1–26. doi:10.1371/journal.pone.0144544
Zohary M. 1973. Geobotanical foundations of the Middle East. 2 vols. Stuttgart:G. Fischer, Taylor & Francis, CRC Press; 765 p.