Mosquitoes of New Guinea — PENN 
41 
restricted to the basal one-fifth of the trumpet; 
pinna not flared at apex. 
Since the only specimen available for study 
was almost bare of all setae no attempt was made 
to describe its chaetotaxy. 
Aedes (Mucidus) aurantius aurantius 
(Theobald) 1907 
Pupa partially described and figures of the 
trumpet and paddles given by Edwards and 
Given (1928: 341) from Singapore specimens. 
The descriptive notes, quoted verbatim below, 
are too brief to be of value in separating this 
subspecies from chrysogaster. 
Respiratory horns about half as long as the 
thorax; basal third or rather more blackish, as 
is the expanded tip, the rest pale and rather 
more slender. A small three-branched tuft be- 
hind the horn. First abdominal segment with 
a pair of large tufts; 2-7 with long single sub- 
lateral hairs, the other hairs inconspicuous; 8 
with small 4-branched apical lateral tufts. Pad- 
dles rounded, without fringe; a small simple 
apical bristle; midrib strong. 
Aedes (Mucidus) aurantius chrysogaster 
(Taylor) 1927 
Figs. 27, 28 
Diagnosis. — The long trumpets, which are 
about ten times as long as their greatest diam- 
eter; the long tracheoid area, which is about 
one-third of the total length of the trumpet; 
and the position of seta c-II, which is removed 
from B-II by a distance nearly equal to the length 
of the segment, should readily distinguish this 
species from all other Aedes. 
CEPHALOTHORAX. — Post ocular: 1 medium, 
two- or three-forked; 2 medium, two-forked or 
occasionally simple or three-forked; 3 medium, 
simple to four-forked. 
Fig. 27. Aedes aurantius chrysogaster: pupal trum- 
pet of male from Aoeki Island, Dutch New Guinea. 
Anterothoracic: 4 medium, usually four-forked, 
may be simple or two-forked; 5 medium, sim- 
ple to five-forked; 6 minute, two- to six- 
branched; 7 medium, simple to three- forked. 
Dorsal: 8 very long, almost equal to length of 
trumpets and placed almost between them, 
two-branched or simple. 
Supra-alar: 9 small, three- to six-forked. 
Metanotum: 10 small, usually five-branched, 
rarely six-branched; 11 medium, three- to six- 
forked near base; 12 medium, usually three- 
forked near apex, range from three to seven. 
Trumpet: Long, narrow, length about ten times 
the greatest diameter of meatus; pinna expanded, 
less than one-twelfth of the total length; trach- 
eoid area with nearly complete rings and occu- 
pying about one-third of the total length of 
the trumpet; tracheoid and pinna dark pig- 
mented, the rest pale. 
Abdomen. — Segment 1 : h very small, two- 
forked; K long, two- or three-branched; L very 
small, four- to six-forked near middle; M very 
small, seven- to ten-branched; S long, simple; 
T long, slightly shorter than S, four-branched; 
u minute, simple. 
Segment II: A small, simple spine; B small, four- 
forked near middle; C very large, black, three- 
or four-branched from proximal one-third; c' 
very small, simple; 1 long, five-forked from 
near base; 2 very long, simple; 3 long, four- 
forked from near base; 4 very small, two- 
branched with each branch apically three- 
forked; 5 minute, simple on this and all follow- 
ing segments. 
Segment III: A small, simple spine; B small, 
four-forked near base; C long, three -branched; 
c' very small, simple on this and all following 
segments; 1 long, simple or two-forked; 2 very 
small, four- to six-forked; 3 represented only 
by its socket; 4 small, six- or seven-branched. 
Segment IV: A small, simple spine; B very long, 
simple; C long, two-branched; 1 long, two- 
forked; 2 very small, two- to four-forked; 3 
represented only by its socket; 4 very small, 
six-forked from near base. 
Segment V: A small, simple spine; B very long, 
reaching posterior margin of VII, simple; C 
