Genus Stegomyia. 179 
Legs with the coxae dusky-brown, paler apically with 
numerous flat white scales; scales to anterior and mid femora 
smoky-brown above, ventrally they are white; hind femora 
clothed with white scales, except a narrow dorsal and a broad 
apical anterior patch of blackish scales; tibiae and tarsi of 
anterior and mid tarsi blackish ; posterior tibiae with a broad 
apical white band, tarsi wanting. Wings with dark bronzy- 
brown scales, those on the costa much the darkest, almost 
black; first sub-marginal cell much longer than the second 
posterior ; posterior cross-vein nearly three times its length from 
the mid. 
Length .—About 4 mm. 
Habitat. —Kasongo, Congo Free State.” 
Observations .—Described by Newstead from two specimens 
caught during the day in a European’s house. 
Type in the collection of School of Tropical Medicine, 
Liverpool. 
Stegomyia albolateralis. Theobald (1908). 
,Rec. Ind. Mus. II., pt. iii., No. 30, 289 (1908), Theobald. 
Thorax blackish-brown with a broad silvery-white patch on 
each side in front. Abdomen black with basal white lateral 
spots and traces of basal bandings on the apical segments. Legs 
and proboscis deep blackish-brown, unbanded. 
$ . Head clothed with flat dark brown scales, a few grey 
ones around the eyes and creamy ones at the sides, clypeus 
black, nude, with a distinct short-pointed process on each side; 
palpi and proboscis deep brown to black ; antennae deep brown. 
Thorax black with narrow-curved bronzy scales except at the 
sides in front, where they are silvery-white, forming two rect¬ 
angular shoulder patches, and a few of the same coloured scales 
pass around the front of the thorax next the head, and there are 
a few dull creamy ones scattered about before the scutellum and 
traces of a short pale scaled line on each side, the scales behind 
are larger than those in front, chaetae black in front, dull golden 
over the roots of the wings, scutellum black with flat black 
scales and golden-brown border-bristles, metanotum shiny and 
black; prothoracic lobes with flat shiny white scales, pleurae 
with spots of flat silvery-white scales. 
Abdomen black with basal lateral silvery-white spots which 
may spread upwards so as to form indistinct basal white bands 
