190 
with triangular spine nearly terminal. Meso- 
somal plate (Fig. 3^) with upper limb short, 
lower recurved, thumb-shaped, with several 
curved teeth between the lower and a very 
large tooth which arises from base and which 
tapers sharply distally and projects beyond 
plate. Tenth sternites with tips tufted with 
spines, with wide, very long curved arm from 
base. Ninth tergites forming elongate lobes 
with 6 to 8 thin long hairs, lobes very hairy 
and well sclerotized. 
Culex {Phalangomyia) quitensis n.sp. 
LARVA (Fig. Aa, h ) : Head round. Antennae 
long, tapering, with subapical hair tuft, spi- 
culate body, 1 pair of long tapering hairs, 1 
pair of short tapering hairs. Preantennal hairs 
4 to 6 finely spinulate hairs. Interior dorsal 
hairs a bunch of 4 to 6 finely spinulate hairs. 
Exterior dorsal hairs 4 to 6 finely spinulate 
hairs. 
Comb of eighth abdominal segment (Fig. Ab) 
formed by patch of oval teeth with apex 
hairy. Air tube long, 3.5 times as long as wide. 
Eecten of 14 to 16 conical scales with 4 to 6 
teeth each. Tuft of pecten simple or double, 
finely spinulate, other tufts formed of 1 to 3 
spinulated hairs located at different places 
along air tube. Anal segment wider than long, 
spinulate, with small and medium spinules on 
most of surface. Lateral hair tuft double, long 
and spinulate. Dorsal brush formed of 3 long, 
strong, spinulate hairs. Ventral brush formed 
of 6 to 8 hair tufts of 4 elements each, very 
well developed and long. 
PUPA (Fig. 2c, d) (Chaetotaxy according to 
Knight and Chamberlain, 1948): Segment I, 
hair 10 well developed and long, hair 2 with 
strong base, very ramified; Segment II, hairs 
2, 4, 8 long and simple; Segment III, hairs 2, 
5, 8 long and simple; Segment IV, hairs 2, 8 
long and simple; Segment V, hairs 2, 5, 6 long 
and simple; Segment VI, hairs 2, 5, 7 long and 
simple; Segment VII, hairs 2, 5, 7 long and 
simple, hair 8 long and diramified; Segment 
VIII, hair 5 long and simple, 8 long and mul- 
tiramified. Pupal trumpets longer than wide. 
PACIFIC SCIENCE, Vol. VII, April, 1953 
Fig. 4. Larval structures of C. iPh.) quitensis. a. Head; 
b, cauda. 
with wide pyramidal opening, rounded on one 
angle, tapering and very sinuous. Pupal pad- 
dles rounded, with strong median rib, apical 
hairs medium. 
ADULT (both male and female): Proboscis 
black with white tip. Palpi black with white 
tips, small and hairy in female, long and thin 
in males. Vertex with white, truncate, triangu- 
lar scales, dark triangular scales, and black 
setae, forming tufts that overhang clypeus. 
Occiput with white and black triangular scales. 
Borders of eyes with dark setae. Prothoracic 
lobes with integument dark brown, with long 
and strong hairs. Mesonotum with two bare 
lines, forming a lyre-like structure, with white 
scales, very compressed, forming tufts at bases 
of wings. Disc covered with dark-brown com- I 
pressed scales and dark setae, posteriorly re- . 
vetted with white scales and dark long setae. 
