32 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 120 
MATERIAL EXAMINED.—Five male specimens and their associated 
terminalia from Argentina, and three male specimens from Chile. 
DistrrBuTION.—This species was described from Corral, Valdivia, 
Chile. Dyar (1929) reported that it was collected at several localities 
around Lake Nahuel Huapi, Argentina, and Lake Guiterrez, both 
Chilean and Argentine sides. The author has seen specimens in the 
U.S. National Museum from: Bariloche and Corren Tose, Rio Negro, 
Argentina; Puerto Montt and Casa Pangue, Llanquihue, Chile. 
Culex (Culex) bahamensis Dyar and Knab, 1906 
FIGURES 7a-c 
Culex (Culex) bahamensis Dyar and Knab, 1906b, p. 210. 
Culex (Culex) eleuthera Dyar, 1917 (1918), p. 184. 
Culex (Culex) petersont Dyar, 1920, p. 27. 
SystemMatics.—This species belongs to the group in which the 
apical lobe of the basistyle lacks a leaflike appendicle. It is easily 
distinguished from other members of the subgenus by the distinctive 
arrangement of appendicles on the apical lobe of the basistyle, the 
annulate dististyle and the robust mesosome. The larva is charac- 
terized by having only two anal gills present. 
SALIENT CHARACTERS.—Adult female: See table 1. 
Male terminalia: Basistyle conical, less than twice as long as the 
basal width; clothed with fine setae in addition to normal, long setal 
pattern. Apical lobe of the basistyle prominent, divided into two 
sections, and also clothed with fine setae. Appendicles of the apical 
lobe as follows: basal rod short, narrow (in comparison to median 
and apical rods), and gently hooked distally; median rod very broad, 
longer than basal rod, and strongly hooked on the distal fourth; 
apical rod strong, about twice as long as basal rod, and gently hooked 
terminally; the distal section of the apical lobe possesses approxi- 
mately five subequal straight setae, and about three long, strong, 
rodlike setae; no leaf is present. Dististyle rather narrow, with 
minute annulations on the apical fourth. Tenth sternite crowned 
with a sparse tuft of short, pointed spines; basal arm robust, short, 
and straight; approximately seven cercal setae broadly distributed on 
the tenth sternite. External process rather broad, straight, and 
gently tapering to an obtuse tip; about twice as long as the ventral 
cornu. Ventral cornu very broad, sharply bent at the apical fourth 
and tapering to a point; distinctly separated from the teeth of the 
median process. Median process with about 15 to 20 small conglom- 
erate teeth. Basal process absent. 
Larva: Antennal tuft located in a constriction near the outer third; | 
antennal shaft spiculate basally. Postclypeal head hair 4 short, 
single; upper and lower frontal head hairs 5 and 6 long, multiple, | 
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