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

CULICINI 155
out one-third, followed by a large tuft. Anal segment ringed by the
plate, the ventral brush posterior; dorsal tuft a long hair and six-
haired brush on each side. Anal gills very long, over four times as
long as the segment, tapered, conspicuously tracheate.” (Dyar, 1928.)
Aedes dupreei is apparently a very local species. Dyar re-
cords it from New Jersey, Louisiana and Arkansas. I have
it from two places in New Jersey.
AEDES ATLANTICUS Dyar and Knab
Aedes atCau.ticus Dyar and Knab, Jour. N.Y. Ent. Sot. 14, 193.
1906.
Female. Length 4.5 mm.; wing 4 mm. Proboscis slender, black-
ish-brown.. Palpi short, dark brown. Vertex dark brown, medianly
clothed with a band of white curving scales and erect white ones on
the nape; black scales on the sides with erect black ones behind these;
a patch of broad, flat white scales behind the eyes. Mesonotum dark
brown, densely clothed with narrow, curving brown scales except a
broad median stripe of silvery-white scales extending from anterior
margin to the scutellum. Abdomen bluish-black, the segments with
small lateral, basal, white triangular spots ; venter yellowish-white
scaled. Wing veins clothed with narrow brown scales. Legs black.
Male hypopygitm. (Fig. 4, Pl. XV.) Side-pieces over twice as
long as wide, tapered somewhat conically, rather stout; apical lobe
long, finger shaped, bearing a few short spines; basal lobe semi-
detached, large, broadly expanded towards its apex, bearing numer-
ous setae and a large stout spine near the middle of the outer mar-
gin. Clasper long, broad, sharply constricted near its apex. Clas-
pette with a stout, bent, pilose, cylindrical stem, broadly expanded at
the outer half and sharply constricted to the blunt apex; filament
somewhat expanded at the middle and ends in a blunt point. Meso-
some cylindrical short, stout, not heavily chitinized, open along the
ventral side but closed on the dorsal. Lobes of the ninth tergites,
stout, approximate and each bears five short spines.
Larva. (Fig. 4, PI. XXI.) Length 8 mm. Head distinctly
broader than long; antenna slender, with a few spines; tuft small,
short, situated at the middle; upper and lower head hairs single;
anteantennal tuft multiple. Lateral hairs of abdomen in twos on the
first and second segments, single on the third to the sixth. Eighth
segment with a comb of five or six large thorn-shaped scales in a
single row. Anal segment longer than wide, ringed by the heavily