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

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182 MOSQUITOES OF NORTH AMERICA<br />

The adults do not bite, though I have <strong>of</strong>fered <strong>the</strong>m opportunities<br />

time and again.<br />

THEOBALDIA INORNATA Williston<br />

C&x inomatus Williston, U. S. Dept. Agr. Div. Ornith. and<br />

Mam., N. Amer. Fauna No. 7,253. 1893.<br />

Culex ~aynipemzi.s Felt, Bull. 79. N.Y. State Mus., 278. 1904.<br />

Female. Length 6 mm.; wing 6 mm. Proboscis slender, with<br />

dark brown and white scales intermixed. Occiput black, with narrow,<br />

curved, yellowish-white scales, <strong>the</strong> nape and sides with numerous<br />

narrow, erect, forked black scales; cheeks and eye margin with flat,<br />

white scales. Mesonotum brown, with two very short narrow anterior<br />

bare areas, and a curving lateral posterior bare stripe each side <strong>of</strong><br />

<strong>the</strong> antescutellar space ; vestiture <strong>of</strong> narrow, curved, golden brown<br />

scales intermixed with pale yellowish scales,-<strong>the</strong> pale scales most<br />

abundant on anterior margin, over roots <strong>of</strong> wings, antescutellar space<br />

and forming narrow longitudinal lines on <strong>the</strong> disk. Abdomen brown-<br />

ish-black with broad basal bands <strong>of</strong> yellowish-white scales widening<br />

laterally to form ra<strong>the</strong>r irregular lateral stripes; eighth segment en-<br />

tirely pale scaled; venter pale yellow scaled. Wing scales dark brown,<br />

a few white scales on anterior veins. Legs with dark brown and<br />

whitish scales intermixed, <strong>the</strong> tarsi appearing nearly black.<br />

Male hypopygizim. (Fig. 3, Pl. XVII ; Figs. 2 and 3, Pl. XXV.)<br />

Side-pieces stout, conical, scarcely twice as long as broad; apical lobe<br />

absent; basal lobe prominent, conical, with several stout spines on<br />

<strong>the</strong> apex and small setae on <strong>the</strong> sides. Clasper stout, gradually<br />

tapering to apex. Claspettes absent. Mesosome elongate, broadened<br />

at base, open along ventral and dorsal sides. Laterally each side is<br />

supported by a heavy chitinous elongate plate, which terminates in a<br />

thin chitinous filament, furcate at apex. Lobes <strong>of</strong> <strong>the</strong> ninth tergite<br />

prominent, approximate, dome-like structures, each crowned with<br />

numerous short, stout spines.<br />

Larva. (Fig. 6, Pl. XXI.) Length 10 mm. Head wider than<br />

long; antenna small, sparsely spined; tuft small, situated at <strong>the</strong> mid-<br />

dle; upper and lower dorsal head hairs large and multiple ; between <strong>the</strong><br />

lower head hairs and in front <strong>of</strong> <strong>the</strong> dorsal head hairs are a pair <strong>of</strong><br />

small multiple hairs ; anteantennal hair tuft multiple. Abdominal<br />

lateral hairs multiple on <strong>the</strong> first and second segment, double on <strong>the</strong><br />

third to sixth, single on <strong>the</strong> seventh; subdorsal tufts prominent on<br />

<strong>the</strong> third to seventh segments. Subventral tufts long and prominent.

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