Type specimens of the pollen wasps (Hymenoptera, Vespidae: Masarinae) deposited in the Zoological Institute of the Russian Academy of Sciences and the Zoological Museum of the M.V. Lomonosov Moscow State University.

The type specimens of the pollen wasps deposited in the collections of the Zoological Institute of the Russian Academy of Sciences and the Zoological Museum of the M.V. Lomonosov Moscow State University are revised. Primary types of 30 taxa are illus…

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