The Chinese species of Coenosia tigrina species-group of the genus Coenosia Meigen, 1826 are treated . One new species, C.albisquama sp.nov., and two new subspecies, C. attenuata brunnea subsp.nov. and C. strigipes bannaensis subsp. nov., are described. A key to Chinese species is given to seperate the species. The types specimens are deposited in the Institute of Entomology, Shenyang Normal University.
This paper divides the genus Limnophora R.-D., into f ive species-group, s, namely L.triangula -gr., L.spoliata -gr., L.exi gua -gr., L.nigripes -gr. and L.scrupulosa -gr.. A key to each group i s provided and three new species from Yunnan Province, L.longispatula sp.nov. , L.yulongxueshanna sp.nov.and L.yunnanensis sp.nov.,described.Type speci mens are deposited in the Institute of Entomology,Shenyang Normal University.
