Reference

N. N. Blagoveshchenskaya (1982): The nesting of the ground bees of the genus Rhophites [sic!] and an experience of making artificial nest aggregations; [Ru; 3 tabs., 5 refs. Date: 23.VI.1982]. – In: GREBENNIKOV, V. S. (ed.). Insect Pollinators of Agricultural Plants. A Col-lection of Scientific Papers. Novosibirsk (Siberian Branch of the V. I. LENIN All-Union Academy of Agricultural Sciences) – : 31 - 35.