84 Mr. F. M. van der Wulp on 



Length 11 mm. 



Front black, with yellowish dust ; face pale yellow ; mystax 

 yellow ; occiput grey. Antennae rufous with l)lack tip ; second 

 joint hardly as long as the first; third joint about one and a half 

 times as long as the two basal joints together ; the second joint with 

 some black bristles. Proboscis black, rufous at the base ; palpi 

 rufous with yellow bristles. Thorax greyish-yellow, with two black 

 dorsal stripes and a broad, dark-brown lateral band ; the hind 

 border and the scutellum rufous ; prothorax with yellowish bristles ; 

 similar bristles, directed backwards on the posterior part of the 

 thorax ; scutellum with two yellow bristles ; the bristles before the 

 halteres also yellow. Abdomen as broad as the thorax, with 

 parallel sides, brownish-red ; the first segment black, the others 

 with a small, black, lateral spot ; the second and third segments 

 with a very narrow, whitish hind border ; the terminal segments 

 shining ; laterally the basal segment with several yellow bristles. 

 Legs yellowish-rufous ; the coxaj blackish ; hind femora with a 

 brownish tip ; tibiaa with some short black bristles, and others,. 

 which are longer and yellow ; tarsal bristles and foot-claws black. 

 Halteres rufous. Wings greyish-hyaline, the tip bordered with 

 dark grey, extending from the end of the second vein to beyond the 

 fourth posterior cell ; this cell is narrowed towards the margin of 

 the wing, but not closed ; small cross-vein nearly on the middle of 

 the discal cell. 



A single female from Lahej. 



This species also comes near Saropogon vestitus, Wied.,. 

 and might even be identified with it, if Schiner (Verh. 

 Zool. bot. Ges. Wien, xvi, p. 680) had not stated that 

 in the typical specimens the fourth posterior cell is 

 closed. 



5. Leptogaster nitidus, Wied. 



Leptogaster nitidus, Wied. Auss. Zweifi. i, 535 ; Low, 

 Dipt, fauna Siid Afrika's, p. 102. 



A single female specimen from Lahej. 



This specimen may be referred to the above species, 

 though it differs in some respects from Low's ample de- 

 scription. The second and third abdominal segments do 

 not show the large, well limited blackish spot, mentioned 

 by him, but all the segments are rather equally blackish 

 brown, with a grey hind border, which becomes narrower 

 on the terminal sesrments. The fore femora are not in- 



