74 
A Monograph of Culicidae. 
bright brown scales; over and in front of the roots of the wings 
the scales are rather paler and broader; three rows of black 
bristles and numerous black and golden bristles over the roots 
of the wings ; scutellum dark brown, with narrow curved pale 
scales and a dense posterior border of golden bristles; meta¬ 
thorax deep brown ; pleurae dark with dense masses of white 
and ochraceous scales. 
Abdomen of a pale steely colour when denuded, covered with 
fuscous brown scales with a faint purplish hue, and with basal 
bands of yellow scales which spread out in the middle and at 
the sides, where they form lateral triangular creamy spots ; first 
segment with flat ochraceous and white scales; the second with 
a median basal yellow patch and lateral spots ; the penultimate 
and the last with more or less of a 
median line and apical pale scales 
as well as basal ones ; posterior 
borders with pale golden bristles; 
venter almost entirely clothed with 
pale creamy scales. 
Legs with the coxae dark with 
pale scales ; femora creamy-yellow 
beneath with scattered dark scales 
above, except towards the apex, 
where they are deep blackish-brown, 
knee spots yellow, large a>nd distinct; 
tibiae dark brown, paler beneath; 
metatarsi and tarsi deep blackish-brown to almost black, hind 
metatarsi not so long as the tibiae; ungues of all the legs equal, 
black and with a distinct large tooth on each. 
Wings large; the veins covered with dark brown small 
median scales and paler long thin lateral ones, except the 
greater part of the fifth and whole of the sixth long vein, where 
the long lateral scales are absent ; fork-cells rather short ; first 
sub-marginal cell longer and narrower than the second posterior 
cell, its stem slightly shorter than the cell, equal in length to the 
stem of the second posterior., which is about equal in length to 
the cell, the forks of which widely diverge; the posterior cross¬ 
vein about half its own length distant from the mid cross-vein 
and sloping towards the base of the wing; supernumerary and 
mid cross-veins in almost a straight line ; fringe brown; halteres 
ochraceous, with pale scales on the knob. 
Length .—6 • 5 mm. 
Fig. 185. 
Culex diversus. n. sp. 
a, Abdominal ornamentation; 
b, thoracic ornamentation. 
