Five new species in the idiocerine genus Busonia Distant (Hemiptera: Cicadellidae: Idiocerinae) from Thailand and Malaysia, with one new record from China Author Xue, Qingquan Author Zhang, Yalin text Zootaxa 2015 4021 4 541 552 journal article 10.11646/zootaxa.4021.4.4 30bcbfb3-2985-4f24-a616-cb34d76e96c8 1175-5326 241680 FE966743-353B-40F9-A7D8-00C1F43E27B1 Key to species of Busonia Distant (males) ( B . insularis Schmidt not included as males are not known) 1. Mesoscutum and scutellum brown or light brown, sometimes lateral margin yellowish ( Fig. 2 G)....................... 2 - Mesoscutum brown, scutellum yellowish or light yellow ( Fig. 1 K)...............................................6 2. Aedeagus with gonopore margins finely serrate ( Fig. 5 E)........................................ B . serrata sp. nov. - Aedeagus with gonopore margins not serrate................................................................ 3 3. Crown and most of pronotum yellowish or yellowish white; aedeagal shaft tapering apically in ventral view (Maldonado- Capriles, 1977 : Fig. 21)...................................................... B . javanensis Maldonado-Capriles - Crown ochraceous or brown; pronotum brownish, sometimes lateral margin yellowish ( Fig. 2 C); aedeagal shaft not tapering apically ( Fig. 4 F)...................................................................................... 4 4. Aedeagus with atrial region broad, extending to apex of aedeagus in lateral view ( Maldonado-Capriles, 1977: Fig. 39 ).............................................................................. B . albilateralis Maldonado-Capriles - Aedeagus with atrial region not extending to apex of aedeagus ( Fig. 4 G)..........................................5 5. Aedeagus slightly compressed basally, dorsal margin straight with a smaller angular process in lateral view ( Figs. 4 F–G)......................................................................................... B . micrata sp. nov. - Aedeagus obviously compressed, dorsal margin concave ( Maldonado-Capriles, 1977: Figs. 44–45 )..................................................................................................... B . thai Maldonado-Capriles 6. Aedeagus lateral margin curved anteriorly, with median tooth ( Figs. 3 D–E).......................... B . curvata sp. nov. - Aedeagus lateral margin not curved anteriorly and without median tooth ( Figs. 3 F–G)................................ 7 7. Apex of aedeagus pointed in lateral view ( Maldonado-Capriles, 1977: Fig. 18 )...................... B . scutellaris Baker - Apex of aedeagus not pointed ( Figs. 4 D–E)................................................................. 8 8. Aedeagus tapering apically in lateral view ( Fig. 4 E)..........................................................9 - Aedeagus not tapering apically in lateral view ( Fig. 3 G)......................................................10 9. Aedeagus dorsal margin smooth in lateral view ( Maldonado-Capriles, 1977: Fig. 33 )........ B. apicalis Maldonado-Capriles - Aedeagus dorsal margin concave in lateral view ( Fig. 4 E)........................................ B . lactata sp. nov. 10. Aedeagus broad subapically in lateral view ( Maldonado-Capriles, 1977: Fig. 13 ).................... B . amentata Distant - Aedeagus not broad anteriorly in lateral view ( Fig. 3 G)....................................................... 11 11. Aedeagus broad medially, slender in basal half ( Maldonado-Capriles, 1977: Figs. 25–26 ).... B . dorsalis Maldonado-Capriles - Aedeagus broad and rounded in basal half ( Fig. 3 F)............................................. B . fusca sp. nov.