216 A Monograph of Culicidae. 
Abdomen clothed with dark brown scales with paler ones at 
the articulations; venter with lateral white spots; median area 
greyish. 
Length. —4 • 5 to 5 mm. 
£ . Lateral and median flat scales of the head dull white | 
the narrow-curved ones bordering the eyes pale yellow; napal 
group of narrow-curved scales pale yellow, in some lights almost 
white ; upright forked scales in front yellow, napal ones black, 
lateral ones yellow. Palpi of four segments, apically furnished 
with long hairs, pale ochreous with dark brown scales and indica¬ 
tions of a faint median band. Pro¬ 
boscis dark brown. Segments of 
antennae dusky white; nodes dark 
brown ; hairs silvery-grey and pale 
brown. 
Thorax deep rich orange-brown 
(one of the four males has the thorax 
dark brown), with a few scattered 
white scales, numerous, minute, al¬ 
most hair-like, jet black scales and 
a few golden-yellow ones in front 
and towards the scute! lum; the 
yellow scales also form two lateral 
spots in front of the wings; there 
are traces also of a lateral white line 
extending from the wings to the front 
of the mesothorax ; scutellum with 
flat white scales ; pleurae dull ochre- 
Fig. 87. ous with patches of flat white scales. 
Male palp of Duttonia tarsalis; Abdomen very pale ochreous, 
Newstead (after Newstead). . J L 
with dark brown and dull ochreous 
scales intermixed; basal bands of pearly-white scales; bands 
3 to 5 broader than the rest; terminal segment almost covered 
with pearly-white scales ; venter pale ochreous with broad 
indefinite basal dusky-white bands. 
Legs pale ochreous, speckled throughout with ochreous-brown 
scales; anterior tarsi with the terminal tarsi sub-chelate; base 
considerably dilated, concave; base with four apparently bi¬ 
lateral spines, apex with a short curved spine and immediately 
anterior to it a long plumose hair with a bulbous base ; ungues 
sub-equal in length, the larger with a long central tooth, the 
smaller with a short basal tooth; mid ungues unequal, the 
