230 
A Monograph of Culicidae. 
have the femora and tibiae deep violet and blue, the metatarsus 
white, except just at the base, the first tarsal all white, the 
second, third, and fourth dark brown, a trace of white at the 
base beneath the second joint ; in the mid legs the femora are 
steel-blue, green and violet, golden beneath ; tibiae yellow scaled, 
black at the apex and base, the metatarsi with a broad white 
basal band, metallic black apically, first and second tarsal joints 
white, third and fourth small, the latter brown, the former 
brown with a white basal band ; in the hind legs the femora 
are metallic black, blue, violet and golden beneath ; tibiae very 
metallic purple, with a golden-yellow band in the middle ; 
metatarsus brilliant purjDle, base with a narrow white band ; 
first tarsal entirely white except just at the apex, last three 
joints dark metallic purple. Ungues in the 9 &U equal and 
simple ; in the £ they are all unequal, the larger one with a 
tooth, which is shorter and blunter on the hind pair ; the small 
ungues simple. 
'V 
* 
7. Megarhinus purpureus. n. sp. 
(Fig. 35, PL IX.) 
Thorax chestnut-brown, with a median azure-blue line and 
azure-blue scales at the sides, deep blue in front of the scutellum ; 
scutellum with pale blue scales; abdomen metallic purple, first 
segment peacock blue, with apical lateral golden spots and golden 
venter. Legs dark, with some deep purple reflections, no white 
on fore legs, the mid feet have the second and third tarsi white 
beneath (hind tarsi missing). Wings with the supernumerary 
cross-vein about twice its own length from the mid cross-vein, 
and the posterior cross-vein joining the latter. 
9 , Head with numerous azure-blue scales (partly denuded 
and mouldy) ; an azure-blue border to the eyes ; the basal joint 
of the antennae black, with grey tomentum ; second joint black 
scaled, large, equal to about one and a half of the following joints, 
densely pubescent; palpi purple and violet, apices of the joints 
pale mauve, only four distinct joints, the second joint a little more 
than half the third, the third about two-thirds the length of the 
apical joint, which is dark; proboscis dark, much curved. 
Thorax dark brown, with chestnut-brown scales, darker in 
front than behind, a median azure-blue line, azure-blue scales at 
the sides of the mesonotum, especially prominent at the roots 
