Die afrikanischen Arten der Gattung Conops. 
61 
with whitish pollen, pleurae rufous, with silvery-white dmsted 
stripe, attenuated above; scutellum rufous^ metanotum black 
below, whitish poUinose above; halteres light yellow, brown at 
base; first segment of abdomen black, with a narrow red hind 
border which is sprinkled with a yellowish- white dust; second, 
third and fourth segments red, blackish above, with a yellow-dusted 
posterior border which in some cases extends foiward on the sides; 
fifth Segment red with a narrow anterior border black, the remainder 
of the dorsum and of the following segment covered with yellow 
pollen; legs red, front coxae black at base, tibiae with a silvery 
reflexion anteriorly, front, middle and posterior tarsi, except base, 
black; pulvilli and tarsal -claws, except tips, light yellow; wings 
whoUy obscure brown, darker along the veins, slightly tinged with 
yellow at base and near tip of auxilliary vein. Length of body 
14 mm, wing 10,5 mm. Seven specimens, Salisbury South Africa. 
Frank L. Snow.“ 
Nach der Flügelzeichnung dürfte die Art wohl nahe C. fusci- 
pennis Macq. stehen. 
31. Conops bellus Adams 
,, Front, occiput and cheeks reddish, face velvety yellow, 
in certain lights silvery below; proboscis reddish, black at tip; 
antennae reddish, third joint brownish underneath, first and third 
joints equal, second at least twice as long as either; thorax and 
scutellum red, the three black dorsal vittae coalesced, pollen whitish 
most distinct in certain lights on the humeri and pleurae; meta- 
notum black below, red above, sprinkled with whitish pollen above 
and on the sides, halteres yellow, brownish at base; abdomen in 
large part red, black on base of segments, which on some segments 
is continued backwards as a median line or spot; on posterior 
margin of first segment whitish dust, that of second, third and 
fourth segments yellow; fifth and sixth segments scarcely wholly 
covered with yellow pollen; legs red, front coxae blackish at base, 
tibiae with silvery reflections exteriorly, front middle and hind 
tarsi at tips black; wings with costal and subcostal cells yellowish 
brown, marginal, submarginal, entire base and anterior half of 
apex of first posterior cell dark brown, first basal cell, except a 
small spot near apex, bases of discal and third posterior cell and 
the whole of the anal cell light brown. Length of body 13 mm, 
wing 9,5 mm. 
One specimen; Salisbury South Africa. Frank L. Snow.'/ 
32. Conops semifumosus Adams 
(J5*. ,, Front, occiput and cheeks brown; face velvety yellow, 
in certain lights silvery; proboscis rufous, black at tip; antennae 
rufous, third joint inclining to yellow, first and third joints of 
equal length, second twice as long as either; thorax rufous, the 
three black dorsal vittae coalesced; pleurae rufous, black just 
about the coxae, with a narrow, silvery dusted line near wing ; 
1. Hrft 
