Chrysanthrax anna
Description 1
According to Coquillett's original description (1887):
Wholly black. Front yellowish tomentose and black or yellowish pilose; face but little produced below, yellowish tomentose; proboscis not projecting beyond epistoma; third joint of antennae subglobular at its base, the styliform portion slender and linear, first antennal joint much less robust than the second; occiput white tomentose. Thorax yellowish tomentose, a stripe of white tomentum extends from humeri to hind angles of thorax, passing above and below root of each wing; bristles on hind angles of thorax reddish, the others black; scutellum yellowish tomentose, that at the base white; bristles black. Abdomen yellowish tomentose, that on last two segments whitish, on bases of second, third and fourth segments white; sides of first two segments long white pilose, sides of other segments and dorsum of last three segments sparse black pilose; venter and breast wholly black tomentose and pilose. Legs yellowish tomentose, front tibiae destitute of bristles, claws of front tarsi well developed. Wings hyaline, costal and first basal cell yellowish, second basal cell and bases of discal and marginal cells sometimes tinged with yellowish, veins at bases of first and fourth posterior cells, and sometimes the one at base of first submarginal cell bordered with brown. Length 4-7 mm.
Sources and Credits
- (c) Ken-ichi Ueda, some rights reserved (CC BY)
