Hexatoma (Eriocera) Macquart (Diptera, Limoniidae) from Xizang, China.

One new species of the subgenus Eriocera Macquart,1838, Hexatoma (Eriocera) xizangensissp. nov. is described and illustrated from Xizang, China. The following four species are re-described and reported from Xizang for the first time: H. (E.) latigrisea Alexander, 1971, H. (E.) nepalensis (Westwood, 1836), H. (E.) paragnava Alexander, 1973 and H. (E.) perhirsuta Alexander, 1973. A key to the species of Eriocera from Xizang is presented.