Literature
- 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. .
- Mudri-Stoinić, S., Andrić, A., Józan, Z., Vujić, A. 2012. Pollinator diversity (Hymenoptera and Diptera) in semi-natural habitats in Serbia during summer. Arch. Biol. Sci., Belgrade, 64 (2), 777-786.
- Ortiz-Sanchez, J. & Pauly, A 2017. Halictinae d'Espagne Belgian Journal of Entomology. 54: 1-92.
- Pauly, A. & Belval, S. 2017. Atlas des Halictidae de France (Hymenoptera: Apoidea), Belgian Journal of Entomology. 53: 1-34.