440 
A Monograph of Culicidae. 
apical half; antennae brown, yellowish at the base, basal segment 
dark, second segment with some small flat black scales. 
Thorax black, shiny, with scattered marrow-curved golden 
scales, paler near the scutellum ; scutellum black with pale golden 
narrow-curved scales; chaetae black. The scales are scanty, so 
that the thorax looks black; metanotum black ; pleurae black 
and dull yellow with white spots. 
Abdomen entirely clothed with golden-yellow scales ; a few 
scales may show pale iridescent reflections in certain lights; 
border-bristles golden ; venter golden. 
Legs with the femora black, except at the base where they 
are dull yellow, with black chaetae; tibiae all black with black 
chaetae ; metatarsi with broad creamy-yellow basal bands, first 
fore and mid tarsals with broad pale basal bands, hind legs with 
an extra pale basal band on the second tarsus; ungues equal and 
simple. The black of the legs shows coppery and metallic tints 
in certain lights. 
Wings with a yellowish tinge, the scales brown in some 
lights, dull yellow in others ; fork-cells rather short, the first 
longer and narrower than the second, its base very little nearer 
the base of the wing, its stem a little more than half the length 
rig. 197. 
Wing of Chrysoconops nigrithorax. <j?. n. sp. 
of the cell ; stem of the second fork-cell not quite two-thirds the 
length of the cell; posterior cross-vein about one and a half 
times its own length distant from the mid ; scales dense especially 
apically. 
Length .—6 to 6*5 mm. 
$ . Thorax, abdomen and legs as in the 9 ? but the abdomen 
with long golden lateral hairs ; palpi yellow, black at the apex 
with black and golden hair-tufts ; a creamy band at the base of 
