Macropterous, bicoloured, brown on head, pteronota, abdominal tergites VII–VIII and lateral thirds of tergites II–IV; yellow on posterior half of metathorax, abdominal segments I, V–VI and IX–X, all legs; pronotum brownish yellow, particularly blotch; forewing clear sub-basally and on distal third, median area dark. Antennae 7-segmented, VI with enlarged sub-apical sensorium. Head with ocellar setae III inside ocellar triangle, ocellar region transversely striate; three pairs of postocular setae present. Pronotum anterior third reticulate with no internal markings, blotch transversely striate. Meso and metanota closely striate, with many lines between major sculpture lines. Abdominal tergites IV–V with two rows of discal setae laterally; tergite IX with only four pairs of submarginal setae. Sternites medially with neither discal nor marginal microtrichia. Male with broadly oval pore plate on sternites III–VII.
Among the 40 species placed in Hydatothrips, this species in unusual in having 7-segmented antennae, and in having an enlarged sensorium on the sixth antennal segment.
Described from Sarawak, East Malaysia, and recorded from near Darwin, Australia.
Desmodium and Canavallia (Fabaceae)
Feeding and breeding on leaves