Pnigmothrips Priesner

(Fig. 109)

Pnigmothrips Priesner, 1953: 369 . Type species: Pnigmothrips medanensis Priesner, by monotypy.

The only species in this genus was described from both sexes taken in a leaf gall in Sumatra. It is here considered to be a member of the Liothrips -lineage, but has unusually short postocular setae (Fig. 109).

Diagnosis: Head almost as long as wide; eyes normal, without enlarged ommatidia, postocular setae minute (Fig. 109); stylets more than 0.3 of head width apart, retracted almost to postocular setae; antennae 8-segmented, sensoria not elongate, III with 1 sensorium, IV with 3; pronotum with 2 pairs of major setae developed, am minute, aa and ml short and stout, notopleural sutures complete; basantra absent; mesopresternum transverse but slender; sternopleural sutures possibly present; fore tarsal tooth absent in both sexes; fore wings parallel-sided, with duplicated cilia; pelta hat-shaped; tergites II–VII with 2 pairs of wing-retaining setae; tube with straight sides, almost as long as head; male sternite VIII with entire pore plate.