1	Maxillary stylets restricted to mouth cone, not retracted anterior to dorsal posterior margin of head (Fig. 3); prosternal basantra weakly developed [body strongly bicoloured, head, thorax and abdominal segments IX–X brown but segments I–VII and all tibiae yellow (Fig. 1); in grasses]	Bamboosiella cingulata
–	Maxillary stylets retracted into head, usually with an obvious maxillary bridge (Figs 4, 6, 7); prosternal basantra well-developed (Figs 8–10)	2
2	Antennal segment III with 3 sense cones	3
–	Antennal segment III with 1 or 2 sense cones	5
3	Fore femora with prominent tubercle on inner margin at base (Fig. 5); mouth cone not extending across prosternal basantra (cf. Figs 9–10) [in leaf galls on Ficus trees]	Androthrips ramachandrai
–	Fore femora without tubercle on inner margin at base; mouth cone long and pointed, extending across prosternal basantra (Fig. 8)	4
4	Pronotum with extensive and prominent sculpture lines (Fig. 6); antennal segment VIII almost as yellow as segment VII	Dolichothrips franae
–	Pronotum with few and weak sculpture lines (Fig. 7); antennal segment VIII brown in contrast to segment VII	Dolichothrips indicus
5	Fore tibia inner margin with sub-apical tubercle and small setal-bearing tubercle (Fig. 16); prosternal basantra longer than wide (Fig. 9)	Podothrips lucasseni
–	Fore tibia with no tubercle at inner apical margin; prosternal basantra usually wider than long (Fig. 10)	6
6	Antennal segment III sharply expanded into sub-basal ring distal to pedicel (Fig. 23)	Priesneria doliicornis
–	Antennal segment III tapering to base without a prominent ring (Figs 19–22)	7
7	Antennal segment III with only one sense cone	8
–	Antennal segment III with two sense cones	11
8	Wings reduced, either apterous or micropterous [fore tarsus without prominent tooth]	9
–	Wings fully developed and with duplicated cilia on distal hind margin (Fig. 17)	10
9	Apterous, ocelli absent; tergal wing-retaining setae small and straight; antennal segment IV with two sense cones; pronotal major setae pointed	Apterygothrips remotus
–	Micropterous, ocelli present; tergal wing-retaining setae long and sigmoid; antennal segment IV with three sense cones; pronotal setae capitate	Karnyothrips longiceps
10	Postocular setae capitate; antennal segment IV as yellow as III	Haplothrips kurdjumovi
–	Postocular setae acute; antennal segment IV brown in contrast to III	Haplothrips graminis
11	Fore wings broad, constricted medially but without duplicated cilia distally on posterior margin (Fig. 18); pronotal midlateral setae not developed	Haplothrips robustus
–	Fore wings present or absent, if present then with several duplicated cilia present distally on posterior margin (Fig. 17); pronotal midlateral setae usually well-developed	12
12	Body sharply bicoloured, head, thorax and abdominal segments IX–X brown, VIII variably shaded, tergites I–VII and all tibiae yellow (Fig. 2)	Karnyothrips melaleucus
–	Body largely brown	13
13	Setae S1 on tergite IX with apices capitate; fore tarsus with prominent recurved tooth (Fig. 12)	Karnyothrips flavipes
–	Setae S1 on tergite IX acute; fore tarsal tooth absent in females	14
14	Antennal segment IV with two sense cones	15
–	Antennal segment IV with three or four sense cones	16
15	Tergite IX setae shorter than tube; pronotal anteromarginal setae no longer than discal setae (Fig. 15); male sternite VIII with broad pore plate	Haplothrips rosai
–	Tergite IX setae longer than tube (Fig. 14); pronotal anteromarginal setae as long as anteroangular setae; male sternite VIII without pore plate	Haplothrips davisi
16	Antennal segment IV with three sense cones; legs yellow	Haplothrips williamsi
–	Antennal segment IV with four sense cones; legs mainly brown	17
17	Antennal segments III–V mainly yellow; postocular setae extending well beyond posterior margin of eye; tergite IX setae S1 acute and as long as the tube	Haplothrips gowdeyi
–	Antennal segments IV–V brown, III yellowish brown; postocular setae short, rarely extending to posterior margin of eye (Fig. 4); tergite IX setae S1 acute and scarcely as long as basal width of the tube	Haplothrips leucanthemi