Die afrikanischen Arten der Gattung Conops. Q\ 



with whitish pollen, pleurae rufous, with silvery-white dusted 

 stripe, attenuated above; scutcllum rufous, metanotum black 

 below, whitish polhnosc abovc; halteres hght yellow, browii 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 segmcnts 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 foUowing segment covercd 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 

 wholly 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 äqual, 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 w^hitish 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 semijumosus Adams 



(J$: ,, 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. Heft 



