Two new species of Paratanytarsus Thienemann & Bause (Diptera: Chironomidae) from Oriental China

Two new species of Paratanytarsus Thienemann & Bause, P. nanyuensis sp. n. and P. zengensis sp. n., are described and illustrated based on the adult males and pupae from Oriental China. Both the species show some unique characters, herein defined and discussed. Information on biology and ecology of new species are also provided.