188 
Monograph of Culicidae. 
of the golden-brown areas, and form two more or less distinct 
spots on the anterior third of the mesonotum, and also flank the 
bare space in front of the scutellum between it and the fork 
of golden-brown scales; scutellum bright brown, with narrow 
curved white scales, the bristles arising from black spots, there 
being six median golden-brown bristles ; metanotum deep brown ; 
pleurae brown, with dark patches and white scales. 
Abdomen dusky brown, covered with deep brown scales, the 
first segment with a large median patch of yellow scales, the 
second and third with basal creamy-yellow patches, the rest with 
more or less apical yellow bands, but the last three segments 
have dull ochraceous scales scattered over at least their basal 
half, whilst the apical one has many white scales; the Segments 
have also lateral apical pure white patches, posterior borders of 
the segments with short brown hairs ; venter densely covered 
with pale ochraceous scales. 
Legs dark brown, with bands and mottlings of white, ochra¬ 
ceous when denuded ; femora with two pale bands, the one near 
the apex white ; tibiae with irregular black and white scaled 
patches; metatarsi pale at the base and with a white band in 
the middle, first two tarsi of the fore legs wibh basal white 
bands, the first three in the mid legs and all in the hind legs; 
ungues equal and simple. 
Wings mottled, with brown and yellow scales; veins 
yellowish, a few long scales on the first long vein only; border 
scales small, rather long, flat or slightly convex at the apex, dark 
brown and yellow; first sub-marginal cell longer and narrower 
than the second posterior cell, its base about level with that of 
the other fork-cell, about one and a half times as long as its 
stem ; stem of the second posterior cell about half as long as the 
cell; posterior cross-vein nearly twice its own length distant 
from the mid cross-vein. Halteres ochraceous, with a slightly 
fuscous knob. 
Length. —4 to 3 mm. 
Habitat.— Fort Johnstone, British Central Africa; Chiromo, 
Lower Shire, British Central Africa (Gray) ; Lagos (Strachan) 
(91); also British Central Africa (Daniels) (b); Old Calabar 
(Annett). 
Time of capture. —March (Fort Johnstone); June (Lower 
Shire); March (Lagos). 
Observations. —This species is subject to considerable colour 
variation in regard to the abdomen ; some show the white lateral 
