Key to genera of Chilocorini of the Indian subcontinent

1. Meso- and metatibiae with a pair of apical spurs. Spermatheca somewhat pear shaped, cornu without a terminal appendage (Fig. 3s, w).............................................................................................. 2

– Meso- and metatibiae without apical spurs. Spermatheca more robust with a shorter cornu, cornu with a terminal appendage (Fig. 3t)............................................................................................. 5

2. Antenna with 8 antennomeres (Fig. 3h). Elytra yellow with three black stripes (Fig. 2c, d). Tarsal claws simple (Fig. 3u)......................................................................................... Brumoides Chapin

– Antenna with 10 antennomeres (Fig. 3i, j). Elytral pattern variable. Tarsal claws usually appendiculate (Fig. 3v).......... 3

3. Clypeal margin of head medially excised and truncate (Fig. 3b). Abdominal postcoxal line apically strongly recurved and incomplete (Fig. 3n). Adult dark bluish violet, lateral sides of pronotum yellow-orange (Fig. 2e)............ Curinus Mulsant

– Clypeal margin of head medially not excised (Fig. 3a, c), emarginate or truncate. Abdominal postcoxal line complete (Fig. 3m) or incomplete (Fig. 3l). Adult coloration different............................................................ 4

4. Dorsum glabrous or pubescent. Base of pronotum and elytra not contiguous all along their length... Parexochomus Barovsky

– Dorsum always distinctly pubescent (Fig. 2g, i). Base of pronotum and elytra contiguous all along their length................................................................................................ Priscibrumus Kovář

5. Antenna with 7–8 antennomeres (Fig. 3g). Clypeus without a median projection. Widely distributed...... Chilocorus Leach

– Antenna with 10 antennomeres. Clypeus with a distinct horn-like median projection in male, a wide, raised median ridge in female. Distributed in north-eastern India, China .............................................. Renius Li & Wang