212 Miss G. Ricardo on the Asilidze. 
south of Lake Salisbury ; from between the south-east shore 
of Lake Kioga and Kakindu, 3500 feet; in the Valley of 
Kufu River, Unyoro, 3400 feet (S. A. Neave). 
A bright yellow-haired species with yellow or white mous- 
tache, chestnut-coloured legs, and yellow-haired scutellum. 
Abdomen with large black spots and greyish-yellow tomen- 
tum and bright yellow hairs at sides. 
Length, g¢ 17-20, 2 21-25 mm. 
Many of these specimens have only yellow hairs and all 
bristles on the thorax yellow. 
Male.—Face covered with bright yellow tomentum, the 
moustache thick, white, with two or more black hairs. Palpi 
with black and whitish hairs. Beard white. Antenne 
blackish, with grey tomentum, the first two joints with 
black hairs, the third greyish at base. Forehead with black 
bristly hairs. Hind part of head with black hairs at vertex, 
then yellowish, becoming white near the beard. Thorax 
with well-marked dark stripes and yellowish-grey tomentum 
and short scattered black pubescence; of the presutural 
bristles two are black, the third yellow, the two supra-alar 
are yellow, the two postalar are yellow, all with less long 
yellow hairs between them, the dorso-central bristles are 
chiefly black and more fine long hairs than bristles, one or 
two yellow bristles are on the posterior edge. Scutellum 
clothed with only long fine yellow hairs, rarely becoming 
bristles. Addomen with yellow hairs on the dorsum of the 
first two segments and then with bushy yellow hairs on the 
sides and beneath ; dorsum in centre almost bare, a little 
short yellow pubescence visible. Genitalia black and shining, 
with short yellow hairs on the upper and lower sides of 
forceps, which are long and club-shaped, the under lamelle 
short and slender. Legs xanthine-orange, the fore and 
middle femora with black stripes above, the hind pair only 
black at apex ; tibia black at apices; tarsiall black; femora 
and tibiz with fairly long whitish or yellowish hairs, thick 
on the tibiz and continued as shorter white pubescence on 
dorsum of tarsi, the hind pair with this only at sides, bristles 
black, only the femora are armed with bristles. Wings 
clear, with yellowish veins. 
Female identical. OQvipositor black, shining, about the 
length of the last two segments. 
A female from Uganda, between Kumi and N.E. shore, 
Lake Kioga, 3600 feet (S.A. Neave), has the tarsi almost 
devoid of the white pubescence and more black hairs in the 
moustache, otherwise identical with type. 
