408 
A Monograph of Culicidae. 
venter with broad basal white bands and narrow apical lateral 
ones, middle of the venter mostly white scaled. 
Legs with the coxae pale ochraceous; femora white beneath 
and at the base, dark brown above towards the apex, knee spot 
pale yellowish ; tibiae dark brown above, pale ochraceous beneath ; 
metatarsi and tarsi black above, pale beneath, with narrow pale 
basal bands on all the joints in the hind legs, but not on the 
last two tarsi on the fore and mid legs; ungues of the fore and 
mid legs equal, each with a single tooth, those of the mid legs 
straighter than those of the fore, hind ones equal and simple. 
Wings with brown scales, the lateral ones long and thin ; 
first sub-marginal cell longer and a little narrower than the 
Fig. 144. 
Wing of 9 C'ulex sylvestris. n. sp. 
(X. 9.) 
second posterior cell, about two 
and a half times the length of its 
stem, which is shorter than the 
stem of the second posterior cell, 
base of the first sub-marginal cell 
nearer the base of the wing than 
that of the second posterior cell, 
stem of the latter about two-thirds the length of the cell; posterior 
cross-vein about its own length distant from the mid cross-vein. 
Halteres with pale stem and fuscous knob. 
Length. —4*5 to 5 mm. 
J . Head dark brown, with pale golden curved scales over 
the crown, black upright forked ones behind, with flat white 
scales at the sides; eyes black and silvery; antennae banded, 
brown and dusky white, plumes silky brown; proboscis covered 
with black scales ; palpi black scaled, the base of the third joint 
with a broad white band, its apex dilated, fourth also dilated, its 
base with a narrow ring of white scales, hair-tufts deep brown. 
Abdomen banded much as in the 9 , but much narrower, and the 
bands more contracted in the middle, so that it looks almost like 
two lateral spots, densely hairy, hairs pale golden; £ genitalia 
almost black. Ungues of the fore and mid legs unequal, the 
larger with a distinct tooth, and the smaller also with one at the 
base, hind ungues equal and simple. 
Length .—4 * 5 mm. 
Habitat. —Ontario, Canada (E. M. Walker) (66); Manitoba 
(W. I. Spencer) (19. 1. 1900). 
Time of capture .—July and September. 
Observations .—A very distinct species, easily told by the 
abdominal banding and the head ornamentation from anv other 
