Key to species of Acidoxantha based on Hardy (1974, 1987), Hancock (1985) and Permkam and Hancock

(1995)

1. Wing with Y-shaped yellow-brown band in the middle of the wing............................................... 2

- Wing with two V-shaped yellow-brown bands in the middle of the wing.......................... A. bisinuata Hancock

2. Scutum fulvous except for few black spots, lacking dark brown longitudinal vittae.................................. 3

- Scutum with dark brown longitudinal vittae................................................................ 10

3. Tergite IV of abdomen with a single black basomedial spot, tergites V and VI with a pair of basolateral black spots.................................................................................. A. quinaria Permkam and Hancock

- Tergite IV either completely yellow or with one or two pairs of black spots........................................4

4. Tergite IV completely yellow without any spots (infest buds of Hibiscus)............................. A. hibisci Hardy

- Tergite IV with a pair of basomedial spots and/or with posterolateral spots........................................ 5

5. Anatergite and katatergite fulvous without any markings......................................... A. totoflava Hardy

- Lower margins of anatergite and katatergite brown to black.................................................... 6

6. Dorsocentral seta placed in line with anterior supra-alar seta.................................................... 7

- Dorsocentral seta placed well behind anterior supra-alar seta, about 2/5th the distance between anterior supra-alar seta and post- alar seta............................................................................................. 8

7. Head ½ higher than long; wing with Y-shaped band merging with subapical band........................ A. minor Hardy

- Head scarcely higher than long; wing with Y-shaped band not fused with subapical band................ .. A.nana Hering

8. Tergite IV with four black spots; two basomedial and two posterolateral.......................................... 9

- Tergite IV with one pair of posterolateral spots............................................ A. punctiventris Hendel

9. Wing with Y-shaped band broad; the stem of the band as wide as the length of crossvein DM-Cu............ A. assita Hardy

- Wing with Y-shaped band narrow; the stem of the band as wide as the length of crossvein R-M....... A. balabacensis Hardy

10. Scutum with two dark brown longitudinal vittae............................................... A. bifasciata Hardy

- Scutum with three or more dark brown longitudinal vittae.................................................... 11

11. Scutum with three dark vittae; anterior margins of abdominal tergites III-V black, devoid of black spots on abdominal tergites IV &V............................................................................ A. bombacis de Meijere

- Scutum with four dark vittae............................................................................12

12. Subapical band along crossvein DM-Cu constricted at the level of vein R4+5; hyaline band between Y-shaped yellow band and subapical band broader than width of R-M crossvein, tergite III with two basomedial spots................................................................................................. A. galibeedu David & Ramani, sp. nov.

- Subapical band along crossvein DM-Cu of uniform width; hyaline band between Y-shaped yellow band and subapical band not broader than width of R-M crossvein, tergite III devoid of basomedial spots.................... .. A. quadrivittata Hardy