Stenothemus laterophysus, Svihla, 2004

Ge, Shujuan, Yang, Xingke, Liu, Haoyu & Yang, Yuxia, 2021, Definitions of two species groups of Stenothemus Bourgeois (Coleoptera, Cantharidae), with descriptions of three new species from China, Zootaxa 5047 (2), pp. 139-152 : 140-141

Stenothemus laterophysus species-group

Definition. Body is yellow and sparsely covered with pale-yellow pubescence; head presents with a dark reddish brown marking on vertex, pronotum is mostly pitch black, dark reddish brown at anterior angles, scutellum and elytra are pitch black, legs are bicolored, mixed with black and yellow. Anterior angles and posterior angles of pronotum are widely round and sharply projecting, respectively. In male genitalia, ventral processes of parameres are slender and slightly bent inwards at apical parts in ventral view, dorsal plates are abruptly narrowed in the middle, with a pair of wide-triangularly protuberances at apical margins and a largely emarginate area at inner margins, laterophyses are long and tilting ventrally at an angle of more than 45° with dorsal plates in lateral view, the apical parts are compressed and sharply hooked at apices. In the internal genitalia of female, vagina is abruptly narrowed into a slender tube apically, spermathecal duct is slender, spermatheca and diverticulum are extremely long, accessory gland is much shorter than spermatheca.

Included species. S. laterophysus Švihla, 2004 and S. nigritibius sp. nov.

Distribution. China (Xizang), N. Myanmar, NE India.