A new species of the chironomid genus <Emphasis Type="Italic">Chaetocladius</Emphasis> (Diptera,Chironomidae) from the Novaya Zemlya Archipelago

The new species Chaetocladius makarchenkovi, subfamily Orthocladinae, is described on the basis of examination of adult males found on the Novaya Zemlya Archipelago (Yuzhnyi Island, Pankov Peninsula, Gribovaya Bay). According to the structure of the head, thorax, and anal point of the hypopygium, the species is closely related to Ch. perennis (Meigen), but differs from it in the form and structure of the lower inner volsella, gonostylus, virga of the hypopygium, in the presence of shortened setae on the antennal flagellum, in the lower antenna index AR, and in the smaller number of Ac and Dc setae on the mesonotum.