186 A Monograph of Culicidae. 



Thorax deep brownish black with reddish-brown narrow- 

 curved scales, ornamented as follows : — A median yellow line of 

 narrow-curved scales extending from a small white spot near the 

 head to the bare space in front of the scutellum, a patch of 

 silvery-white broader scales on each side towards the front, from 

 which proceeds a whitish-yellow line running parallel to the 

 median one on each side passing down to the scutellum and 

 composed of broader curved scales than the rest, there is also a 

 smaller silvery-white spot just before the base of each wing, 

 bristles deep brown ; all the scales slope uniformly backwards ; 

 scutellum deep blackish-brown with flat silvery-white scales and 

 deep brown border-bristles ; metanotum deep brown ; pleurae 

 deep brown with silvery-white puncta, three forming a line 

 anteriorly. 



Abdomen deep blackish-brown, the first and second segments 

 unbanded, the former with long pale golden-brown bristles, the 

 third to sixth segments with basal white bands somewhat indented 

 in the middle and not extending completely across the abdomen, 

 the seventh segment with a few plain scales in the middle basally 

 placed, all the segments with large basal snowy-white patches, 

 border-bristles short, bright brown to golden. 



Legs black, with the base of the fore tibiae, first tarsal and 

 second tarsal white ; in the mid legs there is a white spot at the 

 apex of the femora, and a prominent round white spot on the 

 middle of the segment, a white basal band to the first tarsal, 

 and the greater part of the second tarsal white, and traces of a 

 few white scales at the base of the third tarsal; in the hind 

 legs the femora are white at the base, and have a small white 

 apical spot, white basal bands to the first tarsal and next two 

 tarsals, the third is pure white, the fourth black ; ungues of fore 

 and mid legs uniserrated, of hind equal and simple. 



Wings with dense brown scales ; first sub-marginal cell 

 considerably longer and narrower than the second posterior cell, 

 its base considerably nearer the base of the wing than that of the 

 second posterior cell, its stem less than one-half the length of the 

 cell ; stem of the second posterior cell as long as the cell ; 

 posterior cross-vein nearly three times its own length distant 

 from the mid. Halteres thick, with ochreous stem and fuscous 

 knob. 



Length. — 5 mm. 



Habitat. — Natal (Dr. Power). 



Observations. — Described from a perfect female. It is a very 



