On the identity of Hydroporus glasunovi ZAITZEV 1905, with the description of Hydroporus glasunovi dolini nov.ssp. (Coleoptera, Dytiscidae)

Hydroporus glasunovi glasunovi Z AITZEV 1905 and Hydroporus glasunovi dolini nov.ssp. are members of the planus-group of Hydroporus CLAIRVILLE 1806. They are distributed in the mountainous regions of Central Asia and north- western China. The nominotypical subspecies is re-described and the new subspecies treated in a differential diagnosis. The male and female genitalia as well as the habitus of both subspecies are illustrated. Lectotypes are designated for Hydroporus glasunovi ZAITZEV 1905, and Hydroporus macrocephalus G SCHWENDTNER 1923. The zoogeographic characteristics of the mountain areas in Central Asia are discussed and some notes on the biology of both subspecies are given. K e y w o r d s : Coleoptera, Dytiscidae, Hydroporus, new subspecies, description, lectotype, zoogeography, Central Asia, China.