Coptus Wollaston (Coleoptera: Curculionidae: Cossoninae): A genus new to China with descriptions of two new species Author Davis, Steven R. text Zootaxa 2017 2017-08-29 4312 2 381 393 journal article 32276 10.11646/zootaxa.4312.2.12 1f3c8dcd-8af3-4e7e-81f7-f63364d22085 1175-5326 852770 F6D842B9-1379-445B-B530-1A9Fe4C2De69 Key to the species of Coptus in the Palearctic and Oriental regions 1 Rostrum with median black stripe on basal half; rostrum gradually widening from base to apex; scrobe half the length of ros- trum; scape exceeding hind margin of eye; pronotal apical constriction not continued across disk, stria 10 reaching apex; length 2.5 mm . (Anamalai Hills) South India .................................................. C. anamalainus Marshall - Rostrum without median black stripe on basal half, parallel sided (in female), widened at apex (in male)................. 2 2 Eyes convex; pronotum oblong, sparsely punctured, with fine abbreviated median carina; elytra coarsely punctate-striate, intervals subcostate; striae as broad as intervals; length 3.5 mm . India............................ C. subcarinatus Faust - Eyes strongly prominent; pronotum oval, slightly constricted at apex, deeply punctured; without any carina..............3 3 Foreleg without small triangular projection at inner subapical margin of tibia; rostrum short, broad, parallel, arched, with small punctures; eyes large; elytra punctate-striate; length 1.33 mm . Indonesia......................... C. oculatus Wollaston - Foreleg with small triangular projection at inner subapical margin of tibia.........................................4 4 Average body length 4.2 mm (including rostrum); rostrum short, slightly widened near mandibles, with shallow wide oblong depression along base of basal half; antennal scrobe located along basal 1/2 of rostrum, reaching anterior margin of eye; point of antennal insertion at base of rostrum; scape touching posterior margin of eye; eyes strongly convex, with coarse convex facets; elytral intervals flat. ( Yunnan Province ) southern China .................... C. brevirostris Omar and Zhang sp. nov. - Average body length 5.0 mm (including rostrum); rostrum moderately long, with short median elliptical sulcus at point of antennal insertion; antennal scrobe along basal 2/3 of rostrum, extending to just before anterior margin of eye; point of antennal insertion at basal 1/3 of rostrum; scape slightly passing posterior margin of eye; eyes slightly convex, with smooth fine convex facets; intervals slightly convex. ( Yunnan Province ) southern China .......... C. vitreous Omar and Zhang sp. nov.