] 84 A Monograph of Culicidae. 



curved than the larger of the mid ; the hind pair small, thick, 

 curved and equal. 



Claspers of genitalia shortish and rather broad, straight on 

 one side, curved on the other, with a very small nearly terminal 

 dark process; between the basal lobes two large spines with 

 expanded bases. 



Length. — 3*5 to 4*5 mm. 

 . Habitat — The Transvaal (C. B. Simpson). 



Observations. — Superficially resembles S. fasciata, but the 

 thoracic ornamentation, the simple $ ungues and the different 

 adornment of the $ palpi at once separate it. The $ palpi are 

 composed of three segments, of which the apical is very marked, 

 being suddenly contracted at the tip and ends in a round 

 truncated surface. 



Stegomyia argenteomaculata. n. sp, 



Head deep brown, with a silvery-white area in the middle 

 and one on each side. Proboscis brown, unhanded. Thorax rich 

 brown with a silvery-white scaled area in front, another at each 

 side in front of the roots of the wings ; three white patches on the 

 scutellum • white puncta on the pleurae. Abdomen deep brown 

 with narrow basal white bands. Legs brown, white banded, 

 femora with white apex and a prominent white band before the 

 apex. 



J . Head deep brown with flat black scales except for a 

 silvery-white area in the middle in front and a white area at 

 the sides throwing out some pale scales partly around the edge 

 of the eyes ; a tuft of deep brown, and golden-brown chaetae in 

 front projecting inwards ; palpi black with white-scaled apices ; 

 proboscis black ; antennae deep brown with some white scales on 

 the basal segment. 



Thorax deep blackish-brown with a silvery-white scaled area 

 in front, a small area on each side forming a spot in front of the 

 base of the wings, broadening out laterally a few pale scales 

 behind before the scutellum ; dark area with dusky brown scales ; 

 scutellum deep brown with three apical patches of flat white 

 scales and basal dark flat scales ; pleurae with white puncta. 



Abdomen deep blackish -brown with narrow basal white bands 

 and snowy-white basal lateral spots. 



Legs deep brown, fore and mid femora with apical white 

 spots and a white spot towards the apex, a pale band at the base 



