Coelostoma (Lachnocoelostoma) surkhetensis Hebauer, 2002

Figures 8A-E, 16H

Material examined.

China: Xizang: 1 male (SYSU), Muotuo County, Miri Village, 29°25'06"N, 95°24'23"E, 820 m, 23.vi.2018, Shi-shuai Wang & Zu-long Liang leg. ; 6 spec. (SYSU), Muotuo County, Muotuo Town, 29.269°N, 95.227°E, 766 m, in a stream beside 219 national highway, Qian-le Lu leg.

Diagnosis.

Length 5.4-5.8 mm. Head, pronotum and elytra with similar punctation. Prosternum carinate medially, with a prominent tooth anteromedially. Elytra not parallel-sided in the middle, without serial punctures laterally. Mesofemora densely pubescent, except on extreme apex. First abdominal ventrite with distinct median carina on basal two-thirds. Fifth ventrite slightly emarginate and with a row of stout setae apically. Aedeagus (Fig. 8D, E): 1.2 mm long. Median subtruncate apically, nearly parallel-sided throughout; gonopore situated subapically.

Biology

(Fig. 16H). On the basis of private communication to collector Mr. Qian-Le Lu, the specimens from Xizang were collected on wet stones on the edges of a forest stream. A single specimen of C. phototropicum Jia, Angus & Bian, 2019 was collected at the same place.

Distribution.

Previously known only from Nepal (Hebauer 2002; Przewoźny 2021). New record for China (Xizang).