188 A Monograph of Culicidae. 
joint rich testaceous, with small creamy scales and also a few 
creamy scales on the second joint ; clypeus brown, large. 
Thorax brown, with narrow-curved golden scales, paler 
before the scutellum, over the roots of the wings and a few 
at the sides, with two median: parallel bare lines in front 
and with black and brown bristles; the scutellum pale brown, 
with narrow-curved pale scales, like those in front of it ; ‘‘ border- 
bristles ” in two rows, the longer brown, the shorter grey ; meta- 
notum brown ; pleurae pale brown and grey, with grey scales. 
Abdomen brown, with basal white triangular spots, the base 
of the triangle spreading right across the base of the segments ; 
there are also white scales at the sides of the last three segments 
and traces on the others; basal segment pallid, nude save for 
two small median spots of black scales, hairy ; venter mostly 
pale scaled. 
Legs deep brown, coxae pallid, the femora and tibiae of all 
three pairs with prominent lines of white scales ; metatarsi and 
tarsi deep brown and unbanded ; the base and venter of the femora 
very pallid ; fore, mid and hind ungues equal and simple, black ; 
there are indistinct traces of linear white marks on the metatarsi 
as well. 
Wings with typical brown Culex scales; the first sub- 
marginal cell is much longer and narrower than the second 
posterior cell, its base is nearer the base of the wing than that 
of the second posterior, its stem about one-fourth the length of 

Fig. 98. 
Wing of Culex Theilert. Q.° n. sp. 
the cell ; stem of the second posterior about half the length of the 
cell; posterior cross-vein not quite its own length distant from 
the mid and rather longer ; the costal, first, third and fifth long 
veins darker than the rest. Halteres ochraceous, with pale 
knob scales. 
Length.—5 to 5°5 mm. 
$. Palpi deep brown, with a narrow pale band towards 
the base, last joint acuminate, hair-tufts deep brown ; antennae 
