Synopsis of a hundred common non-anopheline mosquitoes of the ...
Synopsis of a hundred common non-anopheline mosquitoes of the ...
Synopsis of a hundred common non-anopheline mosquitoes of the ...
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Taeniorhynchus (Coquillettidia) crassipes Van der Wulp IS92<br />
A moderately large mosquito with <strong>the</strong> integument <strong>of</strong> <strong>the</strong> mesonotum orange<br />
coloured or very pale, brownish yellow. Tibiae, tarsi and wings dark scaled, especially<br />
<strong>the</strong> firsr with strong metallic shine, no bands.<br />
FEMALE, Head with narrow, curved, small, pale creamy yellow scales on occiput<br />
and scattered, upright, forked, golden-yellow scales, more golden brown in certain<br />
lights. .4long <strong>the</strong> eye margins <strong>the</strong> curved scales are somewhat broader, lying ra<strong>the</strong>r<br />
flat; laterally posteriorly <strong>the</strong>re is a patch <strong>of</strong> ra<strong>the</strong>r broad, flat, very pale, creamy yellow<br />
scales. Clypeus black. Antenna with torus and base <strong>of</strong> fs I yellow brown, remaining<br />
segmens very dark; short, greyish and long, dark hairs present. Proboscis and palpi<br />
covered with dark brown, nearly black scales, which have a beautiful, violet, metallic<br />
shine. Labella black, Thorax. A+ bright yellow with golden-yellow, long and moderately<br />
long, st?f hairs. In certain specimens n@z may be pale yellowish-brown, which may be<br />
due to discolouring. Integument <strong>of</strong> mesonotum bright orange yellow, with a somewhat<br />
darker area anteriorly and slightly laterally, and a similar area over root <strong>of</strong> wing. In<br />
some specimens <strong>the</strong>re is also a slightly darker area medianly. Scales on <strong>the</strong> mesonotum<br />
not very numerous, curved, narrow, bright golden yellow. Longitudinal rows <strong>of</strong> dark,<br />
stiff, long hairs which have a golden yellow tip in certain lights. Prescutellar area bare.<br />
Scutellum bright yellow, without scales but with long, stiff, dark hairs as on <strong>the</strong> mesono-<br />
turn. Pleura yellow to orange-brown with a few darker areas. On sternopleuron and on<br />
mesepimeron a large patch <strong>of</strong> flat ra<strong>the</strong>r broad silvery white scales. Wings with long<br />
ra<strong>the</strong>r r arrow scales, on vein I and 2 <strong>the</strong>se scales are slightly longer and narrower than<br />
on <strong>the</strong> o<strong>the</strong>r veins and are distinctly outstanding, especially in <strong>the</strong> central part <strong>of</strong> <strong>the</strong><br />
wing. Scales dull brown, on costa and subcosta with metallic purple shine, in certain<br />
lights similar scales on basal parts <strong>of</strong> o<strong>the</strong>r veins. Length <strong>of</strong> wing 4 -mm. ILegs with<br />
violet, metallic shine. Femora basally with some golden-yellow scales. Abdomen with<br />
I dorsally dark with a purple or violet, metallic patch medianly, II and III entirely<br />
covered with beautiful, bluish-violet, metallic scales; IV as III but laterally some<br />
scattered, creamy yellow scales with a pink shine. In certain specimens a narrow, basal<br />
band <strong>of</strong> similar scales on IV; V as IV but <strong>the</strong> scales aggregate in two large lateral basal<br />
patches nearly reaching <strong>the</strong> median line, <strong>the</strong> pale scales are dull creamy yellow to golden<br />
yellow. On VI, VII and VIII <strong>the</strong> golden-yellow, sometimes pink, metallic, shining scales,<br />
are much more numerous than <strong>the</strong> violet ones. In certain specimens <strong>the</strong> three apical<br />
segments are entirely pale scaled or <strong>the</strong>re are indications <strong>of</strong> basal pale bands on II,<br />
III and IV. Apical segments closely hairy, hairs yellow. The ornamentation <strong>of</strong> <strong>the</strong><br />
abdomen is ra<strong>the</strong>r variable.<br />
Veri trally <strong>the</strong> segments are creamy yellow scaled, in most specimens <strong>the</strong>re are<br />
apically some bluish, metallic, shining scales.<br />
>I_%l,E. Palpi longer than proboscis, apices <strong>of</strong> segments and all <strong>of</strong> last segment<br />
very dark, violet-scaled. Many stiff, moderately long hairs on last segment, on inner<br />
surface <strong>of</strong> sub-apical segment and inner surface <strong>of</strong> apex <strong>of</strong> long segment. Antenna<br />
with t pale brown, fs I yellowish brown, with dark implantations <strong>of</strong> hairs, remaining<br />
segments also yellowish brown. In certain lights all segments may be dark, except t<br />
and fs I. The long hairs are very numerous, dark brown with paler areas in certain<br />
lights. Integument <strong>of</strong> thorax somewhat paler in certain specimens, in o<strong>the</strong>rs darker<br />
than in <strong>the</strong> female. Sometimes <strong>the</strong> dark shoulder parts are absent. The flat, broad scales