ИСТИНА

Russian fauna of the family Ulidiidae s.str. includes 21 species of the 5 genera. The genus Euxesta (about 100 species) is most diverse in Western Hemisphere. The only one species (E. pechumani) has been introduced into Russia and it was recorded from North Ossetia-Alania and near Sochi. The genus Physiphora includes 24 species. One cosmopolitan species Ph. alceae has been registered in Russian fauna. It is widespread in temperate and south area of European part of Russia (including Caucasus) and Altai. The genus Ulidia (18 species) is distributed mainly in semiarid and arid areas of Palaearctic. Three Ulidia species occur in Russian fauna. Two of them (Ul. albidipennis, Ul. erythrophthalma), are found to occur in European part of Russia (including Caucasus) and the third (Ul. kandybinae) – in West (Krasnoyarsk) and East Siberia and in Russian Far East (Sakha Republic). The most diverse fauna of the genus Timia is in arid regions of Central Palaearctic. North borders of areas of 10 species reaches the Russian territory. Most of these species (T. carbonaria, T. erythrocephala, T. nigripes, T. (E.) abstersa, T. (E.) camillae, T. (E.) melanorrhina, T. (E.) nigrimana, T. (E.) pamirensis, T. (E.) xanthaspis) are registered from the south of European Russia. 3 species are recorded from Siberia: T. kerzhneri (Chita Region), T. nigripes (Omsk), T. (E.) pamirensis (Chita Region). The genus Homalocephala includes 24 spesies in the World fauna. 6 species are registered from Russia. 4 of them (H. albitarsis, H. angustata, H. apicalis H. bimaculata) are Holarctic. H. ozerovi is widespread in Russian Far East and H. mamaevi is Beringian.