Andrena (Holandrena) variabilis Smith, 1853

Literature

• Baldock, D., Wood, T., Cross, I., Smit, J. 2018. The Bees of Portugal (Hymenoptera: Apoidea: Anthophila) – Entomofauna Suppl. S22: 1–164.
• Banaszak, J. and Dochkova, B. 2014. Bees (Hymenoptera, Apoidea, Apiformes) in the agricultural landscape of Bulgaria: species diversity Journal of Apicultural Science Vol. 58 No. 1 pp. 29-49.
• Filatov, M.A., Ivanov, S.P., Budashkin, Y.I. 2006. .
• Grace, A. 2010. Introductory Biogeography to Bees of the Eastern Mediterranean and Near East. Bexhill Museum, Sussex, U.K.
• Mavromoustakis, G.A. 1948. XL.—On the bees (Hymenoptera Apoidea) of Cyprus.—Part I, Annals and Magazine of Natural History, 12:1. pp.541-587.
• Mavromoustakis, G.A. 1951. XXXIV.—On the bees (Hymenoptera, Apoidea) of Cyprus—Part II, Annals and Magazine of Natural History, 4:40, pp.334-354.
• Nieto, A., Roberts, S.P.M., Kemp, J., Rasmont, P., Kuhlmann, M., García Criado, M., Biesmeijer, J.C., Bogusch, P., Dathe, H.H., De la Rúa, P., De Meulemeester, T., Dehon, M., Dewulf, A., Ortiz-Sánchez, F.J., Lhomme, P., Pauly, A., Potts, S.G., Praz, C., Quaranta, M., Radchenko, V.G., Scheuchl, E., Smit, J., Straka, J., Terzo, M., Tomozii, B., Window, J. and Michez, D. 2014. European Red List of bees. Luxembourg: Publication Office of the European Union.
• Standfuss, K., Scheuchl, E. and Standfuss, L. 2011. Zur aktuellen Bienenfauna der Ölbaumzone in Südost-Thessalien / Griechenland (Hymenoptera: Apoidea: Apiformes). Entomofauna 32(199): 285-300.