Genus Culex. 203 
stem of the second posterior cell nearly two-thirds the length of 
the cell ; posterior cross-vein longer than the mid cross-vein, 
about twice its own length distant from the mid; the scales on 

Fig. 104. 
Culex cylindricus. Q. NN. sp. 
Wing scales. 

Fig. 105. 
Wing of Culex cylindricus. 92. n. sp. 
the sub-costal and first longitudinal are broader and denser than 
on the rest of the veins; halteres with yellowish stem and 
fuscous knob. 
Length.—4 to 4°3 mm. 
6- FPalpi (fig. 106) brown unbanded, the last two joints with 
scanty brown hairs on both sides, the two apical joints being 
darker than the remainder of the palpi ; antennae banded brown 
and white, with flaxen brown plumes ; proboscis black, expanded 
apically ; thorax as in the 9 ; abdomen not so cylindrical as 
the 9, slightly expanded apically, with six basal white bands 
as in the 9, apical segment black; segments with pale brown 
hairs laterally ; in certain lights the abdomen has a violet hue ; 
apical segment truncated and bristly as in the 9? ; posterior 
border-bristles rich brown, shorter in the middle than at the 
sides ; genitalia (fig. 107) with a spine-like process near the apex of 
the claspers ; the lateral process of the basal lobe spined, with an 
