a handbook of the mosquitoes of north america - Systematic Catalog ...

174 MOSQUITOES OF NORTH AMERICA
C&x trachycanzpa Dyar and Knab., Can. Ent., 41, 101. 1909.
CuIex peribleptus Dyar and Knab, Ins. Ins. Mens., 5, 181. 1917.
Cukx pose Dyar and Knab, Ins. Ins. Mens., 5, 182. 1917.
Culex ~zoorei Dyar, Ins. Ins. Mens., 6, 108. 1918.
Culex degustator Dyar, Ins. Ins. Mens., 9, 36. 1921.
Czhx borenquini Root, Amer. Jl. Hyg. 2, 400. 1922.
Female. Length 3.5 mm.; wing 3 mm. Proboscis long, slender,
black. Occiput black, with narrow, curved yellowish brown scales;
along the margins of the eyes and cheeks the scales are white; erect,
forked, black scales numerous. Mesonotum black, with numerous
bronzy-brown, curved scales, four lines of golden-yellow scales term-
inating on the disc, the lines on each side forming a patch at this
point. Abdomen black scaled, with narrow basal white bands, widen-
ing at the sides; venter largely white scaled. Wings with narrow,
black scales. Legs slender, black with bronzy reflections, the tips of
femora, tibiae, and the femora beneath whitish.
Male hypopygiunz. (Fig. 3, PI. XVIa.) Side-pieces over twice
as long as wide, stout, conically tapered towards apex. Apical lobe
divided into two branches, the outer branch with three rods, a fila-
ment, and a short, broad leaf, the inner branch forked and each fork
bearing a stout rod, expanded before the apex and ending in a
recurved tip. Clasper short, slightly constricted in the middle, with
two small terminal claws. Tenth sternites prominent, the apex of
each bearing a comb-like row of teeth. Mesosome heavily chitinized,
the basal portion connected by a bridge; each half terminates in a
stout recurved tooth, with a long lateral tooth just proximad. Lobes
of the ninth tergite prominent, approximate, oblique, and densely
setose.
Larva. “Head transverse, bulging at the sides; antennae long, a
tuft at outer third, the part beyond more slender, basal part spinu-
lated; head-hairs, upper small, in four to six, lower long, single, small
mid-hairs single, anteantennal tuft multiple. Body densely pilose,
though sometimes the pile is pale and obscure. Lateral comb of the
eighth segment of a number of spines in a rather small patch. Air-
tube six times as long as wide, pecten reaching one-third, followed by
six hair-tufts of approximately even length, the basal longest, but
the apical one is more than half its length; two small tufts laterally
on the tube. Anal segment longer than wide, ringed by the plate,
ventral brush posterior ; dorsal tuft a long hair and a long and a
short hair on each side. Anal gills small, tapered.” (Dyar, 1928.)