42 
A Monograph of Culicidae. 
very common and annoying species in the Argentine ; it is also a 
common wood mosquito in Sao Paulo, Brazil, so Dr. Lutz informs 
me ; “ it also,” he says, “ occurs on shady river sides.” It does 
not enter into houses, and stings in the daytime. 
Two specimens have been received from South America in 
the collections sent by Dr. Lutz and Senhor Moreira. 
67. Culex CONFIRMATUS. Arribalzaga. 
(Dipt. Argentina, p. 46.) 
(Fig. 94, PI. XXIV.) 
Thorax clothed in front with silky pale, yellowish-grey scales, 
which become paler halfway across the mesonotum, the back 
portion darker with brown scales, the latter densely bristly. 
Abdomen dark brown with violet reflections, each segment with 
basal white lateral patches, and sometimes the abdomen has a 
median yellow line, which is thickest at the bases of the segments 
and spreads out over the whole of the last segment. Legs deep 
brown, with ochraceous and bronzy reflections ; fore and mid 
ungues of the 9 equal, underrated ; in the £ the fore and mid 
are unequal, the smaller uniserrated, hind ones equal, underrated. 
9. Head dark brown, clothed with pale creamy curved 
scales in the middle and with ochraceous ones at the sides and 
behind, and with upright ochraceous forked ones; sides with 
flat scales; eyes deep purplish-black and silver, with flat 
ochraceous scales round them; clypeus deep purplish-brown; 
antennae dark brown, basal joint and the greater part of the 
second joint testaceous ; palpi short, black 
scaled; proboscis covered with shiny black 
scales. 
Thorax clothed in front with pale, silky, 
yellowish, narrow curved scales, which 
gradually become pure silky white about 
halfway across the mesonotum, the remain¬ 
ing part of the mesonotum darker, covered 
with scattered brown scales, as also are 
the sides, the posterior half of the mesono- 
Thorax of Culex confirmatus, . . 
Arribalzaga. turn has tour rows oi golden-brown bristles ; 
scutellum deep brown when viewed in one 
direction, ochraceous brown in the other, with creamy scales 
and a border of golden-brown bristles; in some specimens pale 
Fig. 166. 
