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Two new species of Stenochironomus Kieffer (Diptera: Chironomidae: Chironominae), S. brevissimus sp. n. and S. linanensis sp. n., are described from China and the male imagines are illustrated. S. brevissimus sp. n. can be separated from the so far known species by having very short and small, spatulate superior volsella with two long setae, whereas S. linanensis sp. n. is easily separated from the other species of Stenochironomus by the following characters: wings transparent, body yellow, superior volsella finger-like, with nine long setae, elongated inferior volsella with four long setae and one well developed terminal spine; tergite IX with 10-15 long setae medially. A key to the males of Stenochironomus occurring in China is given. [ABSTRACT FROM AUTHOR]

Three species of Michotamia are recorded from China. Of these M. aurata (Fabricius, 1794) was previously reported from Hainan and Taiwan. M. assamensis Joseph & Parui, 1995 is recorded from China and Laos for the first time, and M. yunnanensis sp. n., is described and figured. A key to the known species from China is provided. A new name, Michotamia subnigra, is given to Michotamia nigra Scarbrough & Hill, 2000, which is preoccupied by Michotamia nigra (Meijere, 1911). [ABSTRACT FROM AUTHOR]

The Chinese fauna of the Fannia postica-group Chillcott (1961) is reviewed, the diagnostic features of this group are redefined, one new species, Fannia nudifemorata sp. n., is described, and a key to the males of nine known species is given. One new junior synonym, F. tigripeda Xue, Wang & Li, syn. n. for F. stigi Rognes is established. To facilitate comparisons of the species, Fannia aethiops Malloch, F. ardua Nishida, F. discoculea Xue, F. ringdahlana Collin, F. postica (Stein), F. spathiophora Malloch, and F. stigi Rognes are redescribed and illustrated. The geographic distribution of the known Chinese species is updated. [ABSTRACT FROM AUTHOR]