78 THE MOSQUITOES OF EGYPT, THE SUDAN AND ABYSSINIA Teeniorhynchus cristatus, n. sp.

Thorax shiny black, with golden hair-like curved scales. Abdomen orange. Legs black and orange, with tufts of black scales especially on the middle of the hind tibiae.

Female. Head brown, with pale yellow narrow-curved scales, and long, black, bifid, upright, forked-scales over the occiput, and a tuft of stout brown bristles projecting forwards; antennas brown, the four basal segments reddish. Proboscis and palpi yellowish, with black apices.

Thorax black with narrow hair-like curved golden scales, pleurae with a few white patches; on the mesonotum lateral rows of long stout black bristles; scutellum black, with hair-like golden scales and black border-bristles.

Abdomen entirely orange with orange-yellow scales, above and below. Legs yellow, with black tufts, very inconspicuous on the forelegs, more like banding at the femoro-tibial and tibio-metatarsal joints; the second pair the same, but more marked, femur spotted with black, the last segment of tarsus black ; the hind legs similar to the mid, but with bright purple to black tufts in the middle of the tibias, consisting both of scales and bristles ; apical half of the metatarsus black; nearly two-thirds of the apical half of the first tarsal and the second tarsal black, last tarsal black with yellow basal band at the joint; ungues of fore and mid legs long, equal and simple, of the hind small, equal, and simple.

Wings with yellow costa and veins, and yellow and dark scales, the yellow scales more rounded at the apex than the dark ones, some slightly expanded ; most of the dusky scales are acutely truncated. First sub-marginal cell very long, longer than the second posterior cell; fringe dark. Halteres pale yellow, with pale knobs.

Length. 6 mm.

Habitat. Pibor.

Observations.—A single specimen only taken. The description is mainly that sent me by Dr. Balfour; the type was much damaged in transit, but I have added a few notes to those he has sent me. It is certainly a new species, easily identified by the tuft of purple-black scales and bristles on the hind legs.

Tczniorhynchus tenax, Theobald Mono. Culicid. II., 198 (1901), and III., 258 (1903) Male. Thorax as in the female; palpi black with five yellowish bands, one apical, the two apical segments of nearly equal length, with black hairs on both sides, the antipenultimate segment with black hairs on the outside, the fifth (basal band) is small; antennae banded black and white with blackish hairs. Abdomen with basal pale bands which spread out laterally on the basal segments.

\\ ings with the fork-cells and their stems short; the first submarginal cell longer and narrower than the second posterior, its stem about half the length of the cell, stem of the second posterior less than half the length of the cell. Legs as