Hairing

Base of abdomen thickly covered with silvery-yellow to golden hairing and strikingly contrasting in colour with remainder of abdomen, which appears partly or entirely black with black hairing.

The presence or absence, or extent, of hairing on different parts of the body can provide valuable taxonomic characters at species-group, or genus-group levels.

Hind tibiae bristled above, about 8 bristles in antero- and posterodorsal rows nearly as long as tibia is deep, intermixed with shorter hairing, ventrally with short adpressed bristly-hairs.