100 A Monograph of Culicidae. 
& 
Toxorhynchites argenteotarsis. Ludlow (1906). 
Canad. Ent. XXXYIII., 367 (1906). 
“ 9 • Head densely covered with very dark brown flat scales, . 
with bronze-blue iridescence, a light blue-white band around the 
eyes, and a few brown bristles, antennae dark brown, the basal 
joint densely covered with flat white scales; palpi with very 
dark brown, almost black scales, bronze-blue iridescence,. the 
penultimate and antepenultimate joints with narrow violet 
apical bands; proboscis very dark, practically black, with 
bright bronze-blue iridescence; eyes black, clypeus black. 
Thorax brown; prothoracic lobes well covered with flat 
spatulate light greenish-blue, almost white, scales, and a row of 
brown bristles; mesothorax with bronze-brown spindle-shaped 
scales on the centre of the dorsum, and a broad border of light 
blue-green flat spatulate scales running nearly all the way 
around the mesothorax, the scales just cephalad of the scutellum 
being also of this character; a bunch of deep orange, or orange- 
brown bristles over the wing joint, a bare space just dorsal of 
the pleura extending from the prothoracic lobes to the wing 
joint; scutellum covered with small flat and long spatulate 
green-blue scales, and long dark orange-coloured bristles ; pleura 
brown, rather well covered with white scales ; metanotum 
dark brown. 
Abdomen dark brown, covered for the most part with blue- 
green iridescent flat scales. First segment with blue-green 
median line, and light yellow scales laterally; second, third and 
fifth segments with large light yellow lateral spots extending 
well up on the dorsum ; on the fourth the lateral spot is not 
noticeable from a dorsal view; sixth and seventh are more blue 
than green, and darker than the preceding segments; the sixth 
with orange, the seventh with black tufts ; the eighth segment 
is nearly purple, and has an orange tuft; venter with light 
yellow scales laterally, and an irregular median dark blue stripe 
extending the whole length of the abdomen. 
Legs, coxae and trochanters dark, with brilliant light yellow 
scales; femora of fore legs light-scaled at base, with dark 
iridescent scales on the dorsal aspect for the distal two-thirds of 
its length; femora of mid legs dark ; femora of hind legs light 
for the proximal two-thirds, all a yellowish-white beneath; 
tibiae of fore legs dark dersally and light below, except the 
very base and apex, which are a brilliant golden-yellow; tibiae 
