いわゆるセスジユスリカ類の分類学的再検討

概要

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A chironomid species breeding commonly in sewage ditches and urban streams in Japan had been called until recently by a Japanese name of 'sesuji-yusurika' or by a scientific name of Chironomus dorsalis Meigen, but was recently shown to be a new species, Chironomus yoshimatsui Martin and Sublette, 1972. In the present study commenced by the author and his colleagues in 1976,collections of all stages of chironomids in the fields as well as their laboratory rearings have been conducted, for taxonomic and biological investigations of this little known insect group. Among several species of the flaviplumus group found breeding in pools in Tsukuba and Tokyo, a species almost identical in the structure of male hypopygium and coloration to Chironomus dorsalis of Strenzke (1959) was named by Sasa (1978) as a new species, Chironomus strenzkei. However, it was eventually shown that this tribial name was preoccupied by another Amazonian species by Fittkau (1968), and thus a new name, Chironomus nippodorsalis, is proposed to replace C. strenzkei of Sasa (1978).
1979-06-15