Alfken, J.D., 1935. Beitrag zur Kenntnis der Bienenfauna von Persien. Mitteilungen aus dem Entomologischen Verein in Bremen 23, 21-24.
Antonini, Y., Martins, R.P., 2003. The flowering-visiting bees at the ecological station of the Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil. Neotropical Entomology 32, 565-575.
Ascher, J.S., Pickering, J., 2015. (Cited 1 October 2015). Discoverlife. Available on: http://www.discoverlife.org/nh/cl/IR/Apoidea_speci.txt.
Ayasse, A., Leys, R., Pamilo, P., Tengö, J., 1990. Kinship in communally nesting Andrena (Hymenoptera; Andrenidae) bees is indicated by composition of dufour's gland secretions. Biochemical Systematics and Ecology 18(6), 453-460.
Bates, A.J., Sadler, J.P., Fairbrass, A.J., Falk, S.J., Hale, J.D., Matthews, T.J., 2011 changing bee and hoverfly pollinator assemblages along an urban-rural gradient. Plos One 6:e23459. doi:10.1371/journal.pone.0023459
Bischoff, I., 2003. Population dynamics of the solitary digger bee Andrena vaga Panzer (Hymenoptera, Andrenidae) studied using mark-recapture and nest counts. Population Ecology 45(3), 197-204.
Campolo, O., Zappalà, L., Malacrinò, A., Laudani, F., Palmeri, V., 2015. Bees visiting flowers of Thymus longicaulis (Lamiaceae). Plant Biosystems (ahead-of-print), 1-7.
Committee on the Status of Pollinators in North America. 2007. Status of pollinators in North America. The National Academies Press, Washington, D.C., USA.
Danforth, B.N., Sipes S., Fang, J., Brady, S.G., 2006. The history of early bee diversification based on five genes plus morphology. Proceedings of the National Academy of Sciences103, 15118–15123.
Dathe, H., Saure, C., 2000. Rote Liste und Artenliste der Bienen des Landes Brandenburg (Hymenoptera: Apidae). – Naturschutz und Landschaftpflege in Brandenburg 9(1), 35pp.
Dehghan Dehnavi, L., Talebi, A.A., Goldasteh, Sh., Vafaei Shooshtari, R., Nadimi, A., 2015. Contribution to the knowledge of Megachilidae (Hymenoptera: Apoidea) in the Yazd province, Iran. Journal of Entomological Research 7, 1-21.
Delaplane, K.S., Daniel R.M., Daniel, F.M., 2000. Crop Pollination by Bees. Cabi, 344 pp.
Esmaili, M., Rastegar, R., 1974. Identified species of Aculeate Hymenoptera of Iran. Journal of Entomological Society of Iran 2, 41-52.
Gogala, A., 2015. (Cited 7 October 2015). Bee Fauna of Slovenia: Checklist of Species. Available on: http://www2.pms-lj.si/andrej/apoidea.htm#_Andrenidae.
Grace, A., 2010. Introductory biogeography to bees of the Eastern Mediterranean and Near East. Bexhill Museum.
Gusenleitner, F., Schwarz, M., 2002. Weltweite checkliste der bienengattung Andrena: mit bemerkungen und ergänzungen zu paläarktischen arten (Hymenoptera, Apidae, Andreninae, Andrena). Entomofauna, Supplement 10-1280 pp.
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.
Heshmati, G.A., 2007. Vegetation characteristics of four ecological zones of Iran. International Journal of Plant Production 1, 215-224.
Khodaparast, R., Monfared, A., 2012. A survey of bees (Hymenoptera: Apoidea) from Fars province, Iran. Zootaxa 3445, 37-58.
Kirkitadze, G.J., Japoshvili, G.O., 2015. Renewed checklist of bees (Hymenoptera: Apoidea) from Georgia. Annals of Agrarian Science 13, 20-32.
Leys, R., 1978. On the biology of Andrena ferox Smith (Hymenoptera Aculeata: Andrenidae). Entomologische Berichten 38, 58-60.
Michener, C.D., 2007. The Bees of the World. Second edition. Baltimore: Johns Hopkins University Press, 953 pp.
Morice, F.D., 1921. Annotated lists of Aculeate Hymenoptera (except Heterogyna) and Chrysids recently collected in Mesopotamia and north-west Persia. II. Journal-Bombay Natural History Society 28, 192-199.
Moroń, D., Szentgyörgyi, H., Wantuch, M., Celary, W., Westphal, C., Settele, J., Woyciechowski, M., 2008. Diversity of wild bees in wet meadows: implications for conservation. Wetlands 28, 975-983.
Nadimi, A., Talebi, A.A., Fathipour, Y., 2013a. The tribe Osmiini (Hymenoptera: Megachilidae) in the north of Iran: new records and distributional data. Entomofauna 34, 205-220.
Nadimi, A., Talebi, A.A., Fathipour, Y., 2013b. A preliminary study of the cleptoparasitic bees of the genus Coelioxys (Hymenoptera: Megachilidae) in northern Iran, with six new records. Journal of Crop Protection 2, 271-293.
Nadimi, A., Talebi, A.A., Zhu, C.D., Fathipour, Y., 2014. Study of the tribe Anthidiini (Hymenoptera: Megachilidae) in northern Iran, with the description of a new species. North-Western Journal of Zoology 10, 413-424.
Osytshnjuk, A.Z., Romasenko, L., Banaszak, J., Motyka, E., 2008. Andreninae of the Central and Eastern Palaearctic, Part 2. Entomological Society of Ontario, Poznań, Bydgoszcz, 233 pp.
Osytshnjuk, A.Z., Romasenko, L., Banaszak, J., Cierzniak, T., 2005. Andreninae of the Central and Eastern Palaearctic, Part 1. Polish Entomological Society, Poznań, Bydgoszcz, 426 pp.
Popov, V.B., 1967. The bees (Hymenoptera: Apoidea) of Iran. Trudy Zoologicheskogo Instituta Leningrad 43, 184-215.
Strand, E., 1921. Apidologisches, insbesondere über paläarktische Halictus-Arten, auf Grund von Material des Deutschen entomologischen Museums. Archiv für Naturgeschichte 87, 305-322.
Tadauchi, O., 2008. The Genus Andrena from Kazakhstan and Kyrgyzstan (Hymenoptera, Andrenidae) (2). Esakia 48, 1-18.
Talebi, A.A., Esmaili, M., Tirgari, M.A., 1995. Bee fauna of Alfalfa and.Karadj Proceedings of the 12th Iranian Plant Protection Congress; 2-7 September.1995 93 pp.
Westrich, P., 1990. Die Wildbienen Baden-Württembergs, vol 1/2, 2nd edn. Ulmer, Stuttgart.
Westrich, P., Frommer, U., Mandery, K., Riemann, H., Ruhnke, H., Saure, C., Voith, J., 2008. Rote Liste der Bienen Deutschlands (Hymenoptera: Apidae). Eucera 3, 33-89.
