Key to species of Aragara from the world
1. Body slender, elongated; frontal triangle smooth without median groove.......................................... 2
- Body stout; frontal triangle smooth with median groove....................................................... 3
2. Antenna entirely yellow; proboscis yellow; cercus without serrate margin....................... A. flavaristata sp. nov.
- Antennal pedicel yellowish brown, first flagellomere yellow except for brownish distal portion and margins; proboscis brown; cercus with serrate margin............................................................ A. mizoramensis Cherian
3. Arista with short pubescence.............................................................................4
- Arista naked.......................................................................................... 6
4. Abdomen entirely black................................................................. A. femorata Cherian
- Abdomen black except for yellow tergites 1+2, tergite 2 with small black lateral spot................................ 5
5. Halter creamy white on knob, yellow on stem; abdominal tergites 3–5 black............................ A. minor Ismay
- Halter pale yellow on knob, brown on stem; abdominal tergite 3 yellow, laterally brown, basal 1/3 of tergite 4 yellow with 2 oblate brown spots, tergite 5 brown..................................................... A. menglaensis sp. nov.
6. Abdomen entirely black................................................................................ 7
-. Abdomen black except for yellow tergites 1+2, tergite 2 with small black lateral spot................................ 8
7. Thoracic pleuron glossy black with a wedge-shaped grey microtomentose stripe running from postpronotum to wing base; hal- ter pale yellow......................................................................... .. A. imitator Becker
- Thoracic pleuron cinereous; halter white..................................................... A. crassipes Walker
8. Antenna entirely black; mid and hind legs in male entirely and in some females partly yellow......... A. trilineata Cherian
- Antenna black except for yellow basoventral portion of first flagellomere; mid and hind legs black except for yellow tarsi and brown mid tarsomeres 4-5 and hind tarsomere 5............................... A. sinensis (Yang & Yang) comb. nov.