96 
A Monograph of Culicidae. 
Culex nigripes. Zetterstedt. 
/ 
var. sylvae. 
Thorax black, with reddish-brown scales in the middle, pale 
scales at the sides. Abdomen black, with basal white bands. 
Legs unbanded. Palpi and proboscis black ; posterior cross-vein 
close to the mid cross-vein. 
9 . Head dark brown, with narrow curved pale creamy 
scales and dark upright forked ones, flat creamy scales at the 
sides; antennae black ; basal joint black, with a few grey scales ; 
palpi black scaled, with a few dull grey ones at the tips, last 
joint broad; proboscis rather long, deep black ; clypeus deep 
black. 
Thorax black, clothed with scattered bright reddish-brown 
narrow curved scales in the middle, pale creamy ones at the 
sides, and a few in front of the scutellum ; over the roots of the 
wings are tufts of golden-brown bristles; scutellum deep brown, 
with narrow curved pale scales and golden-brown border-bristles ; 
metanotum black ; pleurae dark brown, with a few patches of 
pale scales. 
Abdomen densely black scaled, with clear white basal bands, 
which are a little contracted in the middle and spread out laterally, 
forming rather broad lateral patches; posterior borders with 
clear pale golden bristles ; venter white scaled. 
Legs unbanded ; coxae brown, with white scales ; femora and 
tibiae blackish-brown above ; the former densely grey scaled 
below, the latter also pale beneath to some extent; knee spots 
white, apices of the femora before the spots deep black ; metatarsi 
and tarsi blackish ; ungues of the fore and mid legs equal and 
toothed, hind ones simple. 
Wings with brown-scaled veins, the median ones dark, the 
lateral long and thin, abruptly truncated and paler, both fork 
cells rather short; first sub-marginal cell considerably narrower 
and just a little longer than the second posterior, its stem as long 
as the cell, its base slightly nearer the apex of the wing than that j 
of the second posterior, whose stem is, if anything, a little longer 
than the cell and about the same length as the stem of the first 
sub-marginal ; posterior cross-vein quite close to the mid cross-vein. 
Halteres with the stem ochraceous and the knob fuscous, with 
grey scales. 
Length .—5 mm. 
