Review of the leafhopper genus Oncopsis Burmeister (Hemiptera: Cicadellidae: Macropsinae) in China with descriptions of two new species Author Yang, Liyuan Author Zhang, Yalin text Zootaxa 2015 3936 3 421 428 journal article 10.11646/zootaxa.3936.3.7 1456c428-6594-41d4-831f-0d216f2c76b3 1175-5326 232291 8F3B4A85-76A9-40E4-B55A-4B7692C125EE Key to species of the genus Oncopsis from China (males) 1. Face as wide as long, tegmina with 2 anteapical cells (subgenus Parasitades )................................ O . fusca - Face narrower than long, tegmina with 3 anteapical cells (subgenus Oncopsis )..................................... 2 2. Dorsal connective without bifurcated processes.............................................................. 3 - Dorsal connective with bifurcated processes................................................................ 5 3. Processes of dorsal connective short and slender................................................... O . aurantiaca - Processes of dorsal connective long and wide............................................................... 4 4. Processes of dorsal connective with serrated ventral margin......................................... O . cuneiforma - Processes of dorsal connective without serrated ventral margin........................................ O . flavovirens 5. Dorsal connective processes with a short and degraded shaft................................................... 6 - Dorsal connective processes with a long and obvious shaft.................................................... 12 6. Branches of dorsal connective processes not obviously separated........................................ O . testacea - Branches of dorsal connective processes clearly separated..................................................... 7 7. Upper branch of dorsal connective process shorter than other one................................................ 8 - Upper branch of dorsal connective process longer than other one............................................... 10 8. One dorsal connective branch reduced, without serrated inner margin................................. O . odontoidea - Both branches slender, with serrated inner margin............................................................ 9 9. Aedeagus shaft tapering from base to apex in ventral view, apex blunt................................... O . melichari - Aedeagus shaft with parallel margins in ventral view, apex with distinct dent......................... O . kangdingensis 10. S-shaped dorsal connective separated from the upper process branch..................................... O . fumosa - S-shaped dorsal connective crossed from the upper process branch.............................................. 11 11. Dorsal connective large, both branches long, basally slender........................................... O . kuluensis - Dorsal connective relatively small, both branches short, basally wide....................................... O . tristis 12. Branches of dorsal connective processes relatively short...................................................... 13 - Branches of dorsal connective processes long.............................................................. 14 13. Face largely black, remaining area light yellowish................................................. O . nigrofaciala - Face yellow, with wide black transverse band, clypellus black......................................... O . serrulota 14. Upper branch clearly shorter than lower one, tip sharpened............................................ O . obstructa - Upper branch longer than lower one, tip blunt.............................................................. 15 15. Both branches of dorsal connective with serrated inner margin................................................. 16 - One or neither branch with serrated inner margin............................................................ 19 16. Body black, style with blunt end........................................................... O . latusoid sp. nov. - Body brown, style with normal end...................................................................... 17 17. Black transverse band between eyes not concave, frontoclypeus brown............................... O . nigrofaciatus - Black transverse band between eyes concave at lower margin, frontoclypeus black................................. 18 18. Style tip without additional spine, connective of usual width........................................... O . convexus - Style tip sharpened with additional spine, connective moderately slender.................................. O . spinosa 19. Both branches without serrated inner margin............................................................... 20 - One branch with serrated inner margin.................................................................... 21 20. Median aedeagal shaft not inflated.............................................................. O . anchorous - Median aedeagal shaft slightly inflated............................................................... O . furca 21. Upper branch of dorsal connective with serrated outer margin, tips sharpened..................... O . taibaiensis sp. nov. - Upper branch without serrated outer margin, tips blunt................................................... O . alni