36 
PACIFIC SCIENCE, Vol. Ill, January, 1949 
Supra-alar: 9 small, two- or three-forked near 
middle. 
Metanotum: 10 very long, black, simple; 11 
long, simple; 12 small, two-forked near middle, 
pale. 
Trumpet: Very long, tubular, equal to length of 
abdominal segments I— VIII; tracheoid portion 
extending over three-fourths of the length of 
the trumpet, darkly pigmented; pinna short, 
slightly flared, pale colored along with reticulate 
portion. 
Abdomen. — Segment I: h very long, simple; 
K very long, simple; L small, two-forked; M 
long, simple; S long, simple; T small, simple; U 
small, simple; float-hair small, stout, simple. 
Segment II: A short, simple spine; B very long, 
simple; C very long, two-branched; 1 medium, 
simple; 2 small, three-forked; 3 long, two- 
branched; 4 long, simple. 
Segment III: A short, simple spine; B very long, 
simple; c very long, four-branched; c' short, 
simple; 1 medium, simple; 2 long, simple; 3 
represented only by its socket on this and seg- 
ments IV and V; 4 long, two-branched. 
Segment IV: A short, simple spine; B very long, 
three-branched; C very long, five-branched; c' 
small, simple; 1 medium, simple; 2 long, simple; 
4 long, simple. 
Segment V: A short, simple spine; B very long, 
three-branched; C very long, four-branched; c' 
small, simple; 1 a little longer than 1-IV, simple; 
2 small, simple; 4 small, simple. 
Segment VI: A short, simple spine; B very long, 
three-branched; C very long, four-branched; c' 
small, simple; 1 medium-long, simple; 2 small, 
simple; 3 absent; 4 small, simple. 
Segment VII: A short, simple spine; B very long, 
three-branched; C exceedingly long, reaching to 
middle of paddle, three-branched; c' small, sim- 
ple; 1 medium, three-branched; 2 small, simple; 
4 small, simple. 
Segment VIII: A very long, eight-branched; A' 
small, two-forked. 
Paddle: Long and narrow, length about seven 
times greatest width; with a pale brownish tint 
except on the apical third; midrib well devel- 
oped; without terminal setae; margin with a 
Fig. 19. Ficalbia elegans: pupal trumpet and dor- 
sal aspect of abdomen of male from Chacon Swamp, 
Guadalcanal, Solomon Islands. 
fringe composed of tooth-like processes ex- 
tending right around the apex, the processes 
increasing in size from the base to the apex, 
especially on the medial margin. 
Specimens examined. — The pupal exuviae 
of one male and one female from Chacon 
Swamp, Guadalcanal, Solomon Islands, collected 
by John N. Belkin. 
Fig. 20. Mansonia, subgenus Coquillettidia: char- 
acteristic trumpet (after Edwards, 1941). 
