29.12.2012 Views

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

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

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

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

CULICINI 131<br />

where favorable water conditions prevail. The eggs are laid<br />

on <strong>the</strong> dry marshes and <strong>the</strong>se hatch when flooded by tides or<br />

rains. The adults are extremely troublesome and migrate long<br />

distances, sometimes over forty miles. It is, one <strong>of</strong> <strong>the</strong> most<br />

troublesome <strong>of</strong> <strong>mosquitoes</strong> in <strong>the</strong> coastal cities and summer<br />

resorts. Large sums are being spent in New Jersey and else-<br />

where in ditching, drainage and oiling in order to reduce <strong>the</strong><br />

abundance <strong>of</strong> this pest.<br />

AEDES CANTATOR Coquillett<br />

C&X cantutor Coquillett, Can. Ent. 35, 255. 1903.<br />

Female. Length 5-6 mm.; wing 4-5 mm. Proboscis long, slender,<br />

black. Occiput black, with yellowish-white scales, some brown ones<br />

on <strong>the</strong> side; nape and occiput with numerous erect, forked, brown to<br />

black scales; cheeks whitish scaled with a small black patch behind<br />

<strong>the</strong> middle <strong>of</strong> <strong>the</strong> eye. Mesonotum with reddish-brown scales, lighter<br />

at <strong>the</strong> sides and yellowish on <strong>the</strong> antescutellar space; a lighter stripe<br />

<strong>of</strong> scales extending somewhat forward <strong>of</strong> <strong>the</strong> antescutellar space. Ab-<br />

domen black; each segment with a ra<strong>the</strong>r broad basal band <strong>of</strong> white<br />

scales; <strong>the</strong> last two segments nearly wholly white scaled; apices <strong>of</strong><br />

segments with a narrow margin <strong>of</strong> whitish scales; venter entirely yel-<br />

lowish-white scaled. Wing scales brownish-black. Legs slender ;<br />

femora dark brown scaled above, yellowish-white beneath, <strong>the</strong> knees<br />

pale; tibiae mostly pale scaled beneath, dark brown above, Tarsi<br />

black; each joint <strong>of</strong> hind tarsi with a narrow yellowish white basal<br />

ring; joints <strong>of</strong> front and middle tarsi narrowly pale ringed at base<br />

except last two <strong>of</strong> first and last one <strong>of</strong> second tarsus.<br />

Male hypopygium. (Fig. 3, Pl. XII.) Side-pieces three times as<br />

long as wide, slender; apical lobe prominent, rounded, with a few<br />

small setae ; basal lobe small, rounded, bearing a stout marginal,<br />

hooked spine and a group <strong>of</strong> small setae. Clasper long, medianly ex-<br />

panded. Claspette with short, slender stem, setose, with a larger<br />

seta on <strong>the</strong> inner basal margin; filament long, narrow, expanded at<br />

<strong>the</strong> middle and ends in a sharp recurved point. Mesosome cylin-<br />

drical, long, slightly constricted on <strong>the</strong> apical half; widely open on<br />

<strong>the</strong> ventral side, closed along <strong>the</strong> dorsum and at <strong>the</strong> base. Lobes <strong>of</strong><br />

<strong>the</strong> ninth tergite prominent, long, and each bears 5 or 6 stout, short,<br />

spines.<br />

Larva. (Fig. 5, Pl. XXI.) Head longer than wide; antenna with<br />

numerous small spines, <strong>the</strong> multiple tuft near <strong>the</strong> middle; upper and

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!