<i, ■ 
134 ^ A Monograph of Culicidae. 
forked scales at the back, black chaetae projecting forwards and 
inwards over the eyes ; clypeus and proboscis black, basal lobe 
of antennae black with flat silvery-white scales on the inside,' 
joints banded black and brown, plume hairs deep blackish-brown ; 
palpi nearly as long as the proboscis, bluntly acuminate, black, 
the two apical segments nearly equal, each with a basal snow- 
white spot, both with a few long black chaetae, and some on the 
apex of the antepenultimate segment, which has a broad snow- 
white band near middle and a narrow one basally. 
Thorax black, clothed with narrow-curved bronzy-black 
scales, in front a large snow-white median spot of flat scales, on 
each side behind a large snow-white patch of broad curved scales, 
and a small one just at the roots of the wings, surrounding 
the bare space in front of the scutellum are flat silvery-white 
scales, with some broad curved ones in front showing mauve 
reflections; chaetae thick, black; scutellum black with flat 
snowy-white scales; metanotum black j pleurae black with four 
patches of flat silvery-white scales. 
Abdomen black with basal silvery-white bands, the last two 
segments with lateral white patches. 
Legs black, ornamented as follows :—Fore femora with a few 
white scales, mid with a snow-white apical spot, and another on 
the shaft with one or two white scales more basally, hind femora 
Fig. 47. 
Wing of Qucisistegomyia dubia. <j\ n. sp. 
white ventrally on the basal two-thirds, then a silvery spot and 
another at the apex ; tibiae all black ; metatarsi with a basal 
white band, broadest and whitest on the hind pair, fore and mid 
first tar sals with narrow white band, and in the hind legs the 
second tarsal also ; fore and mid ungues unequal, the larger 
simple, the smaller uniserrate ; hind equal and simple. 
Wings with broad scales oi^the sub-costal and first long vein, 
taeniorhjnchus-like ones on the second, thinner lateral ones on 
