First record of the family Leucospidae (Hymenoptera: Chalcidoidea) from the fauna of Belarus

Leucospidae are large chalcid wasps with the body length of 4–17 mm, with tegula narrow, at least twice as long as broad; prepectus very narrow, not clearly visible; femur of hind leg swollen with one or more teeth on its inner margin, tibia markedly curved. Leucospidae members are parasitoids of aculeate Hymenoptera. Their hosts are mainly solitary bees, less frequently solitary wasps, Vespidae and Sphecidae nesting in a similar way to bees (Tselikh & Trjapitzin, 2019). Leucospids are distributed worldwide and numbers four genera and 142 species (Noyes, 2020). In the Palaearctic region the Leucospidae are represented by the genus Leucospis Fabricius, 1775 with 19 species. Seven species have been recorded from Russia (Nikolskaya, 1960, 1978). So far, no species of Leucospid have been recorded from the fauna of Belarus.