Genus Culex. 
one ; in the fore and mid legs the first two tarsal joints are 
basally white ringed ; in the hind legs the first three—the banding 
being broad ; last joint of the hind and last two of the fore and 
mid legs black, but in some specimens a narrow white basal band 
Fig. 108. 
Culex annulatus. Schiank. 
a, First three abdominal segments ; b, ungues of 
the cf and 9 ; c, palpus of the cf. 
may be seen on the third tarsal joint, which is very small in the 
fore and mid legs ; ungues of the fore and mid legs black, unequal, 
the larger one with two teeth, the smaller one with a single 
tooth ; those of the hind legs small, simple, nearly straight 
(vide Fig. 108). 
Wings with brown scales, which form four dark spots by their 
concentration at the bases of the two fork cells, at the cross-veins, 
and at base of the second long vein, sometimes the spot at the 
cross-vein is apparently divided into two ; first sub-marginal cell 
longer and narrower than the second posterior cell, its base nearer 
the apex of the wing than that of the latter ; the stem of the 
former cell equal to about two-thirds of the length of the cell, and 
equal in length to the stem of the second posterior cell, the latter 
equal to the length of the cell; cross-veins very nearly in one. 
line; scales at the bases of the veins purple, those on the base 
of the first long vein also with some white ones. 
Halteres with deep ochraceous stem and black knob. 
Length .—9 to 12 mm. 
