Rophites (Rophitoides) canus Eversmann, 1852
- 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.
- 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.
- Pesenko Y. A. , J. Banaszak, V.G. Radchenko & T. Cierzniak 2000. Bees of the Family Halictidae (Excluding Sphecodes) of Poland; Taxonomy, Ecology, Bionomics.Wydawnictwo Uczelniane.
- Westrich, P. 1990. Die Wildbienen Baden-Württembergs. Verlag Eugen Ulmer, Stuttgart, Allgemeiner Teil, pp.1-431; Spezieller Teil, pp.432-972.
- Westrich, P. 2018. Die Wildbienen Deutschlands. Verlag Eugen Ulmer, Stuttgart, 821pp.