Description of a new species of genus Epidaus Stal (Hemiptera: Reduviidae: Harpactorinae) from China, with a key to Chinese species

摘要

Epidaus insularis Zhang, Zhao, Cao & Cai, sp. nov. is described and illustrated from Hainan Province, China. A key to all eight Chinese species, including the new one, of the genus Epidaus Stal is provided. Epidaus Stal is a medium-sized genus of thereduviid subfamily Harpactorinae with 24 described species in the world (Maldonado-Capriles 1990, Truong et al. 2006). This genus was established by Stal (1859) with the Philippine species Zelus transverses Burmeister, 1835 as type species. The members of this genus can be easily distinguished by a combination of the following: (1) body elongate; (2) head slightly shorter than pronotum, and postocular part nearly twice as long as anteocular part; (3) antenna with a spine or tubercle behind its base; (4)pronotum with two spines or tubercles at middle of posterior part, lateral angles with spines or tubercles; (5) fore femora thicker than other femora, mid and hind femora nearly similarly thickened.