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

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154 MOSQUITOES OF NORTH AMERICA<br />

tuft multiple. Abdomen with lateral tufts, on segments one and<br />

two multiple, on three, four, five and six double. Lateral comb<br />

<strong>of</strong> <strong>the</strong> eighth segment <strong>of</strong> many scales in a patch. Anal segment<br />

longer than wide, dorsal plate reaching near <strong>the</strong> ventral line; ven-<br />

tral brush well developed with two or three small tufts before <strong>the</strong><br />

barred area; dorsal tuft <strong>of</strong> one multiple tuft and a long hair. Anal<br />

gills about as long as segment, tapering, blunt at tip. Air-tube stout,<br />

about three times as long as wide; pecten reaching almost to middle,<br />

<strong>the</strong> teeth uniformly spaced, followed by a tuft <strong>of</strong> about six hairs.<br />

Distribution. From Georgia to Arkansas, south to <strong>the</strong> Gulf<br />

<strong>of</strong> Mexico. Although this species was, described by Dyar and<br />

Knab in 1910, nothing was known <strong>of</strong> its, habits or life history<br />

till Bradley discovered <strong>the</strong> larvae in a ground pool under a tree<br />

at Mound, Louisiana, in May, 1924. He found <strong>the</strong> adults in<br />

numbers resting in hollow trees and logs. The species is thought<br />

to be single brooded.<br />

AEDES DUPREEI Coquillett<br />

Czrlc-zr dz~preei Coquillett, Can. Ent., 36, 10. 1904.<br />

Female. “Proboscis moderate, dark brown. Occiput and pro-<br />

thoracic lobes with dark brown scales, <strong>the</strong> former with a large area<br />

<strong>of</strong> silvery scales at <strong>the</strong> vertex. Mesonotum dark brown, with broad<br />

median silvery line <strong>the</strong> whole length. Abdomen black above with<br />

lateral basal segmental triangular white spots; venter whitish, <strong>the</strong><br />

tips <strong>of</strong> <strong>the</strong> segments more or less blackish. Legs black with bronzy<br />

reflections. Wing scales narrow, dark.” (Dyar, 1928.)<br />

Male hypopygium. (Fig. 3, PI. XV.) Side-pieces over twice as<br />

long as wide; apical lobe distinct, narrowly finger-shaped, with a few<br />

fine setae; basal lobe long, expanded distally, densely setose on <strong>the</strong><br />

apical portion and a medium-sized spine on <strong>the</strong> cephalic margin.<br />

Clasper long, medianly expanded. Claspette with a slender columnar<br />

stem, finely setose; filament long, narrow, ending in a fine point.<br />

Mesosome short, more or less cone-shaped, widely open on <strong>the</strong> ven-<br />

tral side, closed on <strong>the</strong> dorsum and at <strong>the</strong> base. Lobes <strong>of</strong> <strong>the</strong> ninth<br />

tergite small, narrow, and each bears four to five short spines.<br />

Larva. “Head rounded, bulging at <strong>the</strong> sides; upper head hair<br />

single, lower double, anteantennal tuft in three. Antennae ra<strong>the</strong>r<br />

long, smooth, a single hair at <strong>the</strong> middle. Lateral comb <strong>of</strong> <strong>the</strong> eighth<br />

segment <strong>of</strong> about seven scales in a straight row. Air-tube ra<strong>the</strong>r<br />

long and slender, about five times as long as wide; pecten running

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