106 
X. 
4 Monograph of Culicidae. 
front of the scutellum ; scute! lum ochraceous, with narrow 
curved pale scales, dense golden-brown border-bristles, which 
are in two main rows on the middle lobe and very dense on the 
Tig. 202 . 
Culex trilineatus. n. sp. 
a, Scutellum ; b, $ ungues ; c, thorax. 
lateral lobes ; metanotum bright chestnut-brown; pleurae bright 
yellowish-brown, with a few pale scales. 
Abdomen covered with bright ochraceous scales above, the 
sides being dark scaled, the lateral dark-scaled areas forming a 
dark line along each side of the abdomen ; apical segment 
entirely ochraceous, first segment pale ochraceous, with pallid 
scales covering nearly the whole surface ; posterior border-bristles 
very pale yellow ; venter ochraceous. 
Legs with the coxae ochraceous ; femora ochraceous except 
towards the apex, where they are dark brown, extreme apex 
creamy white, armed along its whole length with long dark 
thick spines; tibiae brown, ochraceous beneath ; metatarsi and 
tarsi deep brown; both the tibiae and metatarsi are more or less 
spiny; fore and mid ungues equal, with a large pointed tooth ; 
hind ungues equal, thinner and simple, nearly straight. 
Wings brown scaled, with a slight yellowish tinge; fringe 
brown; first sub-marginal cell considerably longer and narrower 
than the second posterior cell, its base a little nearer the apex 
of the wing than that of the latter; its stem equal to about 
two-thirds the length of the cell; second posterior cell very short, 
dark scaled, its stem considerably longer than the cell; posterior 
cross-vein about its own length distant from the mid cross-vein ; 
