Aquatic Insects of the Neman River and Its Tributaries1

摘要

The aquatic insects of the Neman River and its tributaries were studied. 178 species belonging to 9 orders were found: Collembola—2 species, Ephemeroptera—33, Odonata—16, Plecoptera—10, Heteroptera— 20, Coleoptera—39, Megaloptera—2, Trichoptera—54, and Lepidoptera—2 species. Two species of aquatic insects new for the Belarusian fauna were found, Pomatinus substriatus (Ph. Miiller, 1806) (Coleoptera) and Brachycercus europaeus Kluge, 1991 (Ephemeroptera).