Key to the Oriental species of Cleruchus (females)

1. Ovipositor at most 0.6× metatibia length.................................................................. 2

- Ovipositor at least 0.8× metatibia length.................................................................. 3

2. F1 shortest (Fig. 34); clava 1.1× as long as combined length of fl3–fl6; fore wing with both macrochaetae short (Fig. 36).................................................................................... C. pmilb Triapitsyn sp. n.

- F1 longest (Fig. 26a); clava (Fig. 26b) 1.5× as long as combined length of fl3–fl6; fore wing with both macrochaetae long (Fig. 27)........................................................ C. orientalis Manickavasagam & Palanivel sp. n.

3. Funicular segments longer than wide or quadrate (Figs 10, 39)................................................ 4

- Funicular segments wider than long (Figs 2, 18a)........................................................... 5

4. Scape in lateral view with dorsal margin strongly incurved (Fig. 10), fl1–fl4 longer than wide, fl5 and fl6 quadrate;fore wing with

median row of discal setae incomplete.......................... C. funiculatus Manickavasagam & Palanivel sp. n. - Scape in lateral view almost straight (Fig. 39); all funicular segments longer than wide; fore wing with median row of discal setae complete............................................................................. Cleruchus sp.

5. Fl1, fl3 and fl5 equal and shortest (Fig. 18a); clava (Fig. 18b) 2.7× as long as combined length of fl3–fl6; fore wing (Fig. 19) with a complete admarginal row of setae along posterior margin and prominently setose behind marginal and stigmal veins................................................................... C. indicus Manickavasagam & Palanivel sp. n.

- Fl5 longest (Fig. 2); clava 1.7× as long as combined length of fl3–fl6; fore wing (Fig. 3) without admarginal row of setae along posterior margin except for an incomplete row of very few short, inconspicuous setae behind marginal and stigmal veins................................................................................... C. blimp Triapitsyn sp. n.