Studies on the Chironomid Species Collected at Five Localities in Hokkaido in September, 1998 (Diptera, Chironomidae)

Collections of adults of the insect family Chironomidae were conducted in Hokkaido, the northern island of Japan, in September 1998. Collection was carried out by sweeping with insect net in the campus of Hokkaido University in the city of Sapporo, and 17 specimens were individually mounted on slides, and were identified as belonging to 7 species. Collections were conducted also at 4 localities in the Hidaka Mountain areas with light trap or by sweeping with insect nets, and a total of 25 species, including 8 new species, are recorded in this report. The new species are names as Micropsectra hidakabecea, Eurycnemus hidakacedeus, Rheocricotopus hidakadeeus, Bisaiyusurika hidakaefea, Limnophyes hidakafegeus, Parakiefferiella hidakagehea, Parakiefferiella hidakaheia, and Smittia hidakaijea