Mosquitoes of New Guinea — PENN 
31 
Cephalothorax. — Postocular: 1 medium, 
simple; 2 small, three-forked; 3 medium, two- 
branched. 
Anterothoracic: 4 medium, two- or three-forked 
near apex; 5 medium, four-branched; 6 long, 
stout, simple; 7 small, two- or three-forked. 
Dorsal: 8 long, two-thirds length of trumpet, 
three- or four-branched. 
Supra-alar: 9 long, simple. 
Metanotum: 10 medium, stout, simple or two- 
forked; 11 long, stout, simple; 12 long, slender, 
simple. 
Trumpet: Short, length about two and one- 
fourth times the greatest diameter of the meatus; 
pinna short, about one-third of total length; 
tracheoid area reduced to three or four basal 
rings; with a small spot of dark pigment in the 
tracheoid area. 
Abdomen. — Segment I: H medium, simple; 
K long, stout, simple; L small, simple; M small, 
two- or three-branched or only rarely simple or 
four-branched; s small, simple; T small, two- to 
four-branched; U minute, simple. 
Segment II: A small, simple spine; B medium, 
stout, simple; C medium, stout, two-forked or 
occasionally simple or three-forked; c' medium, 
simple spine; 1 medium, three-branched or oc- 
casionally two- to four-branched or rarely simple; 
2 small, stout, simple; 3 very small, two-branched 
or occasionally simple or three-branched; 4 me- 
dium, stout, simple; 5 minute, simple on this 
and all following segments. 
Segment III: A small, simple spine; B medium, 
stout, simple; C small, two-branched or occasion- 
ally simple or three-branched; c' small, simple 
on this and all following segments; 1 small, 
simple or occasionally two-branched or forked; 
2 small, two-forked, occasionally simple or two- 
branched; 3 represented only by its socket on 
this and segments IV and V; 4 medium, stout, 
simple. 
Segment IV: A small, simple spine; B medium, 
stout, simple; C small, two-branched or occa- 
sionally simple to four-branched; 1 small, simple 
or two-branched; 2 small, two-branched or occa- 
sionally simple; 4 small, three-branched, range 
from two- to four-branched. 
Segment V: A small, stout, simple spine; B me- 
dium, stout, simple; C small, two-branched or 
occasionally simple or three-branched; I small, 
simple or occasionally two-branched or two- 
forked; 2 small, two- or three-branched; 4 small, 
two-branched or occasionally three-branched. 
Segment VI: A small, stout, simple spine; B me- 
dium, stout, simple; C small, two-branched or 
occasionally simple to four-branched; 1 small, 
simple; 2 small, two-branched, range from 
simple to three-branched; 3 absent; 4 small, two- 
branched or forked, range from simple to three- 
branched. 
Segment VII: A small, stout, simple; B medium, 
stout, simple; C small, two-branched or occasion- 
Fig. 16. U.ranotaenia nigerrima: dorsal aspect of 
right half of abdomen of male from Hilimoi, Papua. 
