166 
A Monograph of Culicidae. 
Stegomyia simpsoni. Theobald (1905). 
The Entomologist, XXXIX., 224 (1905); Mono. Cnlicid. IV., 182 (1907), 
Theobald. 
Katema’s, Bihe, Angola, 7. ii. 05 (2 9’s). 
Type in the British Museum. 
Stegomyia argenteomaculata . Theobald (1907). 
Mono. Culicid. IV., 184 (1907). 
Nacodam Islands, Bay of Bengal. 
Type in the British Museum. 
Stegomyia poweri. Theobald (1905). 
Journ. Econ. Biol. I., No. 1, 18 (1905), Theobald; Mono. Culicid. IV., 
185 (1907), Theobald. 
Natal. 
Additional locality. —Ruwe, Congo Free State, 8. v. 07 
(Dr. A. Yale-Massey), 2 9’s. In house. 
Type in the British Museum. 
Stegomyia pseudonigeria. nov. sp. 
Thorax black with a silvery-white spot on each side in front, 
a smaller one just before roots of the wings and white scales over 
their base; scutellum silvery-white. Head black with a median 
white line and a small white spot on each side ; proboscis black,, 
palpi black tipped with snow-white. Abdomen black with basal 
creamy-white hands. Legs black with broad basal white bands, 
last two hind tarsals all white. 
9 . Head black, clothed with flat black scales, except for a 
broad median line of snowy to silvery-white, a small patch of 
white scales at the sides and some white scales forming a border 
around the eyes; pale dusky and black upright forked scales 
along the nape;-a few thick black chaetae projecting forwards; 
palpi black with snowy-white apices ; proboscis black, unbanded ; 
antennae black, the basal segment with a patch of white flat 
scales on their inner side and a few small black scales on the 
second segment; clypeus black. 
Thorax shiny black, clothed with narrow-curved bronzy- 
brown scales, a patch of broader snowy-white scales on each side 
in front, another somewhat smaller behind, close to root of the 
