Busonia Distant

Xue, Qingquan & Zhang, Yalin, 2015, Five new species in the idiocerine genus Busonia Distant (Hemiptera: Cicadellidae: Idiocerinae) from Thailand and Malaysia, with one new record from China, Zootaxa 4021 (4), pp. 541-552 : 543

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.