Mosquitoes of New Guinea — PENN 
29 
myia and in most, if not all, Culex, but in these 
genera they are shorter, stout, and often diffi- 
cult to see. The paddles of Uranotaenia usually 
have the medial face much wider than the lat- 
eral face, but this is not a constant feature. The 
dorsal setae ( 8 ) of the cephalothorax are placed 
between the trumpets in most Uranotaenia as 
in most Aedes, not behind them as in Mega- 
rhinus, Harpagomyia , Picalbia, and, usually, 
■Culex, but this feature is not quite constant 
either. In most of the species, one of the antero- 
thoracic setae ( seta 6 in the known New 
Guinean species) is lengthened and thickened. 
Key to Species of Uranotaenia 
1. Trumpets short, their total length less than 
three times the greatest diameter of the 
meatus; tracheoid area greatly reduced, 
comprising less than one-fifth the total 
length of the trumpet 
— (Subgenus Pseudoficalbia) .... 2 
Trumpets moderate to very long, their to- 
tal length more than four times the 
greatest diameter of the meatus; tra- 
cheoid area not reduced, comprising 
more than two-fifths of the total length 
of the trumpet 
(Subgenus Uranotaenia) .... 4 
2. Setae A- VII and A- VIII long, at least equal 
to the length of their respective seg- 
ments, two- or three-branched; seta B 
on segments IV— VII long, more than 
one-half the length of the segments; 
with an irregular line of black pigment 
on base of paddle ( Fig. 15) U. papua 
Setae A-VII and A- VIII short, not more 
than one-half as long as their respective 
segments, always simple; seta B on seg- 
ments IV- VII short, always less than 
one-half the length of the segments; 
paddle without pigment 3 
3. Seta 1 on segment II three- or four- 
branched (Fig. 16) U. nigerrima 
Seta 1 on segment II simple 
— U. quadrimaculata 
4. Seta B on segments V-VII very long, 
greatly exceeding length of segments, 
two- or three-branched (Fig. 17) 
_.U. albescens 
Seta B on segments V-VII long, exceed- 
ing length of segment only slightly on 
V, not exceeding segment on VI and 
VII, usually three- or four-branched 
(Fig. 18).. ---U. argyrotarsis 
Uranotaenia (Pseudoficalbia) papua Brug 
1924 
Fig. 15 
Diagnosis. — With the typical characteristics 
of the subgenus. Readily separated from other 
known Pseudoficalbia from New Guinea in hav- 
ing setae A-VII and A-VIII longer and two- to 
three-branched and seta B on segments IV— VII 
more than one-half the length of the segment. 
Cephalothorax.— Postocular: 1 medium, 
simple; 2 small, two-branched; 3 small, two- 
branched. 
Anterothoracic: 4 small, simple; 5 small, four- 
branched; 6 long, greater than length of trum- 
pet, .stout, simple; 7 small, three-branched. 
Dorsal: 8 long, three-fifths length of trumpet, 
two-branched. 
Supra- alar: 9 small, simple or two-branched. 
Metanotum: 10 long, simple; 11 long, simple; 
12 medium, simple. 
Trumpet: Short, total length about two and one- 
third times the greatest diameter of the meatus; 
pinna short, less than one-fourth of the total 
length; tracheoid area reduced to basal one-fifth 
of trumpet, with a small spot of dark pigment. 
Abdomen. — Segment I: H small, simple; K 
long, stout, simple; L small, simple or two- 
forked; M small, two-forked or branched, occa- 
sionally simple or three-branched; s long, simple; 
T small, two-branched or forked, occasionally 
simple or three-branched; U small, simple. 
Segment II: A small, simple spine; B long, 
simple; C medium, simple; c' medium, simple 
or rarely two-branched; 1 medium, two- 
branched; 2 long, simple; 3 small, simple or 
occasionally three-branched or forked; 4 me- 
dium, simple; 5 medium, simple on this and all 
following segments. 
Segment III: A small, simple; B medium, simple; 
C medium, simple or occasionally two-forked; 
c' small, simple on this and all following seg- 
ments; 1 medium, simple; 2 small, simple or 
two-forked near base; 3 represented only by its 
socket on this and segments IV and V; 4 small, 
simple. 
