Hoplopisthius Senna, 1892

Hoplopisthius Senna, 1892: 451 . Type species: Hoplopisthius trichemerus Senna, 1892, by monotypy.

Diagnosis. Body oblong. Head flattened, especially the prorostrum, without well marked vertex-frontal median groove. Venter of mesorostrum with two small projections below insertion of antennae (Figs 21, 36). Metarostrum without well marked lateral grooves. Three last antennomeres slightly flattened, forming a club (Figs 23, 37), 11 acute apically. Pronotum pyriform, much broader at base than at apex, with a longitudinal median groove, glabrous. Prothorax without median fovea in front of procoxae. Femora flattened; protibia very short, squat (Figs 24, 50, 60, 76, 86, 95). Elytra glabrous. Elytral striae well marked; apex of elytra with caudal processes, never regularly rounded. Hind wings (Fig. 34) with a well developed mediocubital cell and only one primary anal vein; anal lobe large. Metasternum with a longitudinal median groove and usually not laterally carinate. Male genitalia with parameres reduced, filiform, not fused together (Fig. 33, 44). Gonopods IX of female genitalia with lateral and much reduced styli (Fig. 32); coxites IX very long and fused in their basal part (Fig. 31).

Remarks. All characters given in the diagnostic parts of the genus Hoplopisthius and of the three subgenera are not restated for each species.