ADAMS : DIPTERA AFKICANA. 179 



notum gray polliaose ; halteres yellow. Abdomen brownish 

 black, segments with an interrupted, gray posterior border ; in 

 some specimens the first one or two bauds are entire. Legs 

 black, middle femora with three short bristles near outer end, 

 intermediate tibiae with three bristles. Wings hyaline, veins 

 brown, costa with a spine at tip of first vein, posterior cross- 

 vein straight. Length, 3-4 mm. 



Numerous specimens ; May and .June. 



Paralimna ornatipennis, n. sp. 



Male and female : Front in center brown poUinose, frontal 

 orbits of a darker shade ; between these two shades of brown on 

 each side of the front is a narrow yellowish pollinose line, 

 which at the upper end of lower third of front turns toward 

 eye and enlarges into a white pollinose spot, below which is a 

 large velvety black spot, and on the inner side of this, i. e., 

 next to antennae, is a small white pollinose dot ; also, below the 

 black spot, next to the face and eyes, is a similar silvery dot; 

 the front on the lower third in the middle is subshining ; three 

 pairs of fronto-orbital bristles, the middle pair directed forward, 

 one vertical bristle present ; face immediately beneath the 

 antennae shining, the median ridge between the antenme 

 crested with silvery-white pollen; this ridge at Junction of up- 

 per and middle thirds of face divides into two short, nearly 

 transverse ridges, between and below which are two small pits ; 

 middle portion of face in this neighborhood light brown pol- 

 linose, lower two-thirds and sides gray pollinose, sides on lower 

 half with several short and two long bristles ; clypeus, cheeks 

 and occiput gray pollinose, the cheeks with black bristles, one 

 long one ; antennae black, third joint slightly pubescent, arista 

 with eleven rays; proboscis swollen, palpi linear, tips yellow- 

 ish. Mesonotum and scutellum brown pollinose, humeri and 

 small irregularly placed dots gray pollinose ; one humeral, two 

 dorsocentral, one presutural, two notopleural, two supraalar 

 bristles on each side, and a pair of prescutellar bristles present, 

 scutellum with a basal and apical pair ; pleurae gray pollinose, 

 with a few irregularly placed brown dots ; halteres yellow. 

 Abdomen brown, subshining, posterior border of segments gray 

 pollinose, venter largely so. Coxae and legs black, moderately 

 covered with gray pollen, first two joints of tarsi yellowish; 



3— BuU., Vol. Ill, No. 6. 



