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Astafurova, Y.V. and Proshchalykin, M.Y. 2019.

The type specimens of bees (Hymenoptera, Apoidea) deposited in the Zoological Institute of the Russian Academy of Sciences, St. Petersburg. Contribution II. Family Halictidae, subfamilies Rophitinae, Nomiinae, and Nomioidinae

. Zootaxa. 4650, 1 (Aug. 2019), 1–71. DOI:https://doi.org/10.11646/zootaxa.4650.1.1.