Sumatrothrips Priesner

(Figs 110, 111)

Sumatrothrips Priesner, 1952: 196 . Type species: Sumatrothrips filiceps Priesner, by monotypy. The only species in this genus is based on a single female taken from Mallotus in Sumatra. As indicated in the original description, this is considered to be a member of the Haplothripini, but with the head and pronotum unusually elongate.

Diagnosis: Head much longer than wide (Fig. 110); eyes normal, postocular setae finely pointed and longer than length of eyes; stylets damaged in holotype; antennae 8-segmented, III with 3 sensoria, IV with 4; pronotum with 4 pairs of very long, finely pointed, major setae, am minute, epimera eroded lateral to major seta, notopleural sutures complete (Fig. 111); basantra present but weakly sclerotised; mesopresternum reduced to pair of lateral triangles; sternopleural sutures absent; fore tarsal tooth absent in female, fore femur inner margin with small blunt tubercle medially (Fig. 110); fore wings slighly constricted medially, with duplicated cilia; pelta triangular, recessed into anterior margin of tergite II; tergites II–VII with 2 pairs of sigmoid wing-retaining setae, tergite IX setae long and finely acute; tube with straight sides, shorter than head.