Key to distinguish Ctenothrips from Vulgatothrips

1. Ocellar setae pair I absent (Fig. 2); mesosternal endofurca without spinula, mesosternal sternopleural sutures absent (Fig. 4); males with pore plate on sternites III–VIII (Fig. 45).................................................. Ctenothrips

-. Ocellar setae pair I present (Fig. 6); mesosternum with spinula and mesosternal sternopleural sutures present (Fig. 26); males with pore plate on sternites III–IV (46).......................................................... Vulgatothrips