Genus Ludlowia . 
191 
Ludlowia sudanensis. Theobald (1905). 
Birst Report Gord. Coll., Well. Labs., 83 (1905); Mono. Oulicid. IV., 
194 (1907), Theobald. 
Bahr-el-Jebel 3 North Sudd Country, Sudan. 
Type in the British Museum. 
Ludlowia minima. Ludlow (1907). 
Canad. Entomo. XXXIX., p. 413, Dec. (1907); Mosq. Philip. Isis., 10 
(1908), Ludlow. 
“ Head light brown, covered with flat light yellow or yellowish- 
white scales, two brown bristles projecting forward between 
the eyes, a few brown fork scales on the nape ; antennae 
brown, verticels and pubescence brown and normal; basal joint 
testaceous, with a few short brown hairs, second and third joints 
have a few flat brown scales ; palpi brown, apical joints missing, 
those remaining heavily brown-scaled; proboscis brown, tip 
light, eyes brown, clypeus brown, with frosty tomentum. 
Thorax : prothoracic lobes testaceous, with a few brown 
bristles | mesonotum dark brown, partly denuded, but the 
remaining scales on each insect are dark brown, slender curved 
scales (not hairs) and a few dark brown bristles over the 
scutellum and wing joint; scutellum with dark brown slender 
curved scales and brown bristles ; pleura light, with a couple 
of brown spots and a few white scales ; metanotum dark brown. 
Abdomen light with dark brown scales and narrow ochraceous 
basal bands extending laterally as small basal light spots; venter 
mostly light-scaled. 
Legs as a whole brown, but the colour changing with the 
direction of the light to • a light brownish-grey; coxae and 
trochanters light; femora dark dor sally, ventrally almost white, 
tiny apical light spots on femora and tibiae, distally dark, the 
rest of joints missing except on hind legs, where the ungues are 
simple and equal. 
Wings clear, densely covered with brown scales, lateral scales 
broadly lanceolate, median broadly truncate, showing very little 
if any symmetry ; spine-like scales on the costa. Cells not so 
markedly short as in . Ghamberlainii . First sub-marginal about 
1 to 7 long, and nearly the same width as second posterior, 
both very narrow; stem of former not half as long as cell, and 
about a fourth shorter than that of second posterior; mid cross- 
