148 
A Monograph of Culicidae. 
flat scaled white lateral patch; antennae dark brown; palpi 
short and thick, almost black; proboscis deep brown, black at 
the apex, which is rather expanded. 
Thorax deep rich brown, with a dark median line and two 
lateral dark linear patches in front of the mesonotum, each 
separated from the median dark line by a broad paler line; 
mesonotum covered rather densely with dull bronzy-brown 
narrow curved scales and with numerous dark brown bristles 
at the sides, especially near the wings; scutellum brown, testa¬ 
ceous laterally, with similar scales to the mesonotum; with 
apparently five large bristles to the mid lobe; metanotum deep 
brown; pleurae with two dark brown spots above, frosty, 
cinereous below, with a few dark bristles. 
Fig. 233. 
Culex sericeus. n. sp. 
a, ? palpus; b, wing scales ; c, scutellum ; d, cross¬ 
veins ; e, thoracic scale. 
Abdomen pale steely when denuded, covered with deep 
brownish scales; with basal bands of dull ochraceous scales, 
which are slightly expanded in the middle, and w T hich are often 
indistinctly seen; posterior border-bristles very dark brown; 
first segment with two small median patches of dark scales. 
Legs long and thin, with the coxae frosty grey, with a few 
black bristles; femora ochraceous, with brown scales, remainder 
of the legs deep brown. 
Wings with yellowish-brown scaled veins; median scales 
small, lateral ones linear, but rather short; fork-cells long; the 
first sub-marginal a little the longer and slightly narrower, its 
base a little nearer the apex of the wing than the base of the 
second posterior cell; stem of the first sub-marginal cell rather 
longer than that of the second posterior cell, not quite half the 
length of the cell; stem of the second posterior also not quite 
