374 Mr. F. V. Theobald on 



Time of capture. — 7. viii. 07 and 9. ix. 07. 



Habitat. — Obuasi and Kumasi (Dr. Graham}. 



Observations. — Two females, both taken in bush, one at 

 5 P.M. at Kumasi. Dr. Graham says specimens taken in 

 bush-paths outside Obuasi and outside Kumasi in August 

 and October, from 2 to 5 P.M. Described from a perfect 

 female. The marked thoracic ornamentation and the leg 

 banding combined will at once separate it from all other 

 African Stegomyia. 



jflEdimorphus punctothoracis, sp. n. 



Head brown in the middle, black at the sides ; proboscis 

 and palpi unbanded. Thorax rich brown, with six silvery 

 white spots; scutellum silvery white. Abdomen dark brown, 

 with basal pale lateral spots. Legs unbanded, apices of tibiai 

 and femora silvery white. 



$ . — Head dark, clothed with flat black scales in front and 

 at the sides with some dull ochreous ones, and white ones at 

 the sides, a patch of narrow-curved dull ochreous ones at the 

 1 ack, and black upright forked scales ; proboscis and palpi 

 black; antennae daik brown, basal segment bright brown 

 with a few smull fiat scales. 



Thorax dark rich brown, with very small dull golden 

 narrow-curved scales, and six sj ots of small flit silvery white 

 scales; chrelse dark brown; scutellum clothed with flat 

 silvery white scales; metanotum dark brown ; pleura? bright 

 brown, with pale puncta. 



Abdomen bh.ck, with basal lateral snowy white spots and 

 golden border-bristles ; venter mostly dark. 



Legs dark brown, venter of femora for the basal two-thirds 

 pale creamy; a snow-white spot at the apex of the femora 

 and tibia* ; chaetaj golden ; fore and mid ungues equal, uni- 

 serrate. 



Wings with the first fork-cell a little longer and narrower 

 than the second fork-cell, its stem about half the length of 

 the cell, its base nearly level with that of the latter ; stem of 

 the second fork-cell about two-thirds the length of the cell ; 

 posterior cross-vein not quite its own length distant from the 

 mid. 



Length. — 2*3 mm. 



£ . — Palpi dark brown, hair-tufts dark on the last two 

 segments, the penultimate rather swollen and a little longer 

 than the apical one ; antenna? plumose, plume-hairs brown. 

 Fore ungues unequal, the larger with a large tooth, the 



