Reference

N. G. Davydova, Yuriy Andreyevich Pesenko (2002): A contribution to the fauna of bees (Hymenoptera, Apoidea) of Yakutia; p. 94.; [Ru. Date: 13.VIII.2002]. – In: MEDVEDEV, G. S. (ed.). The 12th Congress of the Russian Entomological Society (St. Petersburg, 19-24 August 2002). Abstracts. St. Petersburg (Rus-sian Entomological Society) – .