Chinese species of the genus of Agnesiella Dworakowska (Hemiptera: Cicadellidae: Typhlocybini), with four new species and four new records Author Yan, Bin Author Yang, Mao-Fa text Zootaxa 2019 2019-03-08 4565 2 151 170 journal article 28401 10.11646/zootaxa.4565.2.1 df5ede9f-f7a7-4521-990a-630e08ab7480 1175-5326 2589734 4183FFC2-28AB-4453-90BE-CF6441C3F686 Key to males of Agnesiella from China (updated from Yan & Yang, 2016 ) 1. Setae arranged in well-differentiated groups on pygofer side and subgenital plate................................... 2 - Setae reduced in number and regularly distributed on pygofer side and subgenital plate.............................. 7 2. Pronotum with large lobate black marking on disc............................................................ 3 - Pronotum without large lobate black marking on disc......................................................... 5 3. Aedeagus with colorless subapical dorsal lamella incised.................................... Agnesiella (s.str) buysi - Aedeagus with colorless subapical dorsal lamella entire....................................................... 4 4. Pronotum medially with fusiform patch............................................. Agnesiella (s.str) matsumurai - Pronotum medially without fusiform patch.......................................... Agnesiella (s.str) lyraeformis 5. Pronotum with seven black spots..................................................... Agnesiella (s.str) nitobella - Pronotum with fewer than seven black spots................................................................ 6 6. Pronotum with five black spots....................................................... Agnesiella (s.str) giranna - Pronotum with three black spots..................................................... Agnesiella (s.str) juglandis 7. Setae of pygofer side on ventral basal and posteroventral margin................................................ 8 - Setae of pygofer side on medial part and posteroventral margin................................................. 9 8. Body yellow, crown with three dark patches, aedeagus ventral lamella broad and serrate ( Fig. 116 )................................................................................................ Agnesiella ( D .) sinnuata sp. nov. - Body brownish, crown with five dark patches, aedeagus ventral lamella smooth................... Agnesiella ( D .) latusa 9. Ventral pygofer appendage bifurcated ( Fig. 98 )..................................... Agnesiella ( D .) rita , new record - Ventral pygofer appendage not bifurcated................................................................. 10 10. Ventral appendage extended to dorsal margin of pygofer side.................................................. 11 - Ventral appendage shorter, not extended elongate to dorsal margin of pygofer side................................. 14 11. Subapical tooth bifurcated on paramere ( Figs 107, 109 )........................... Agnesiella ( D .) roxana , new record - Subapical tooth not bifurcated on paramere................................................................ 12 12. Paramere subapical tooth nearly equal to apex in length ( Fig. 68 ).................... Agnesiella ( D .) aldera , new record - Paramere subapical tooth very small...................................................................... 13 13. Shaft of aedeagus with serrated margins ( Figs 83, 84 )................................ Agnesiella ( D .) ela , new record - Shaft of aedeagus with smooth margins ( Fig. 78 )...................................... Agnesiella ( D .) digita sp. nov. 14. Apex of ventral process on aedeagus, bifurcated............................................................ 15 - Apex of ventral process on aedeagus, not bifurcated......................................................... 17 15. Forewing with symmetrical patches...................................................................... 16 - Forewing with without symmetrical patches................................................. Agnesiella ( D .) azra 16. Face yellowish, with two black patches below antennal pits................................... Agnesiella ( D .) xantha - Face mostly dark, or brown ( Figs 17, 20 )............................................ Agnesiella ( D .) furca sp. nov. 17. Shaft of aedeagus serrated at ventral margin................................................. Agnesiella ( D .) erosa - Shaft of aedeagus smooth at margins ( Figs 96, 97 )................................... Agnesiella ( D .) innota sp. nov.