GENUS CULEX 399 



taiiily a very well-defined species. The inarlvings of the abdomen, the 

 mottled scales on the wuigs (seen only in certain lights), and the 

 difference in the scales of the head will at once separate it from any 

 other. Length. — 6 mm. 



Habitat. — U.S. of America, especially the Atlantic Seaboard ; 

 Galapagos Islands ; Jamaica ; Formosa (?) Will breed in brackish 

 water. 



14. CULEX YISHNUII, Theobald (Monog. I, p. 355). 



Plate xvi, fig. 5a, Variations of abdominal adornment ; 5&, Fore tarsal 



claws of ^ . 



Tarsi with whitish basal bands on all bub the end joints and 

 first of foreleg. Thorax clothed with yellowish scales, indis- 

 tinctly adorned with two bare dark submedian lines and by three 

 rows of black bristles. Abdomen black, with broad yellowish 

 basal bands and with also a creamy fringing on some of the 

 hinder segments, the last all yellowish. Proboscis dark with a 

 narrow ferruginous band just outside its mid length. Wing with 

 fork of II just outside that of IV, and 4 far internal to 3. Both 

 claws of fore tarsi of male toothed. 



Head dark brown, with pale scales. Palpi of 3' banded yellow and 

 black ; second joint at apex, third in the middle, fourth and fifth 

 narrowly at base. Legs dark brown except the greyish under sides 

 of the femora and dull white knee-spots. Halteres pale ochreous. 

 Length. — About 4"5 mm. 



Habitat. — Southern India and Ceylon. 



15. CULEX ANNULIROSTRIS, Skuse (" S. A. C." p. 1, 737). 



Wings unspotted. Upper three tarsal joints basally white- 

 ringed. Thorax dorsally deep brown with golden scales and 

 hairs, but with some white marks on the pleuric. Abdominal 

 segments deep brown, with narrow white basal bands. Proboscis 

 with a broad white band in the middle third of its length. Wing 

 with fork of II much internal to that of IV, and with 4 far 

 inside 3. 



Head dark brown, clothed with pale curved scales, white at tlie 

 sides, and formmg a narrow border round the eyes, and with scattered 

 black upright forked on each side and pale upright forked scales in 

 the middle in front ; eyes deep purple, almost black ; clypeus dark 

 brown ; palpi deep brown, with the apex pale in the $ ; those of ^ dark 

 brown with two broad and two narrow basal yellow bands, one of the 

 former exactly || that on proboscis. Legs dark except under sides of 

 femora, and minute white knee-spots. Halteres yellow with darker 



