Recognition data

Distinguishing features

Macropterous, bicoloured, brown with pronotum largely yellow, tergites IV–V (sometimes VI) brownish yellow with dark antecostal line; legs variable from yellow to brown; fore wing light brown with pale sub-basal area. Head with occipital carina close to eyes; ocellar triangle weakly reticulate; ocellar setae III on anterior margins of triangle; only two pairs of postocular setae, median pair absent. Pronotum with anterior third boldly reticulate, blotch transversely reticulate. Metanotum with irregular linear sculpture, with some markings between the main lines. Forewing with sub-apical lobe extending beyond base of terminal seta. Tergites II–VI with no marginal comb medially. Sternites V–VI with discal microtrichia continuous medially, posterior margins medially with no craspedum; sternite VII medially with neither median discal nor marginal microtrichia.

Male with large transversely oval pore plates on sternites V–VII.

Related and similar species

This species differs from the other Australian Hydatothrips species in having a sub-apical lobe on the forewing that extends beyond the base of the terminal seta.

Distribution data

Apparently widespread, recorded from Brisbane and Darwin in Australia, also from Thailand.

Biological data

Host plants

Centrosema and Calopogonium species (Fabaceae)

Life history

Feeding and breeding on leaves

Taxonomic data

Current valid name

Hydatothrips haschemi Girault

Original name and synonyms

• Hydatothrips haschemi Girault, 1930
• Hydatothrips palawanensis Kudo, 1997