182 



A Monograph of Culicidae. 



from the mid cross- vein ; halteres with yellow stem and black 

 knob. 



Length. — 3 ' 8 mm. 



Habitat. — India orientalis (Biro, 1902). 



Observations. — Described from a single perfect female. It 

 can be told at once from all known Stegomyiae by the marked 

 thoracic adornment, the large solid white W-shaped mark in 

 front being easily noticed, also by the prominent round white 

 spot on the side of the mid femora. 



Stegomyia simpsoni. Theobald (1905). 

 The Entomologist, Vol. XXXIX., p. 224 (1905). 



Head black, with a median white area and white at the sides. 

 Proboscis black, unbanded. Thorax deep brown with a large 

 silvery- white anterior lateral patch, a smaller one behind just 

 before the root of the wing, a small silvery median spot close to 

 head, two yellowish median lines, a short silvery one on each side 

 of the bare space in front of the scutellum, which has silvery 

 white scales in three patches. Pleurae with white puncta. 

 Abdomen blackish with basal silvery-white bands. Legs basally 

 banded white. 



? . Head clothed with black scales except for a median 

 white area and grey lateral areas, a few white scales bordering 

 the eyes. Antennae deep brown, basal segment black with a 

 patch of silvery- white scales on the inside ; clypeus and proboscis 

 black. Palpi black scaled with white scaled apices. 



Thorax black, clothed with bronzy, broad, elongate curved 

 scales and ornamented with a large patch of broader silvery- 

 white scales on each side, in front a smaller patch on each side 

 just before the roots of the wings, and a small white median spot 

 near the head, from which run two parallel dull yellow median 

 lines to the bare space in front of the scutellum and a short 

 silvery line on each side over the roots of the wings ; the sides of 

 the bare space in front of the scutellum bordered with white ; 

 prothoracic lobes with flat white scales. 



Scutellum with large median lobe, with black scales basally, a 

 prominent border of silvery-white ones, lateral lobes with large 

 flat white ones ; border-bristles brown. 



Metanotum deep brown. Pleurae deep brown with prominent 

 silvery puncta. 



