Genus Taeniorhynchus. 211 
Habitat. —Bonny, West Africa (Annett). 
Time of capture. —May. 
Observations .—Described from several females in Dr. Annett’s 
collection. It constitutes a very marked and beautiful species, 
entirely orange-yellow, except the apices of the hind legs and 
the apices of some of the joints. 
10. Taeniorhynchus acer. Walker. 
(List Brit. Mus. p. 7.) 
(Fig. 91, PI. XXIII.) 
Thorax golden-yellow, with traces of brown markings; 
abdomen orange-yellow, the first four segments apically banded 
with metallic purple and also traces on the other segments. 
Legs unbanded, covered with dark black scales, except at the 
coxae and bases of the femora. 
9 . Head brown, with testaceous scales, a pale border round 
the eyes above, with some black and yellowish bristles; eyes 
black; basal joint of the antennae yellowish, remainder brown ; 
palpi dark yellowish-brown; proboscis covered with dark black 
scales with a very dark purplish reflection. 
Thorax golden-yellow, the front scales being very bright and 
metallic; scutellum bordered with long yellow bristles; meta- 
notum testaceous, pleurae pale testaceous, with some bright 
reflections and a dark area beneath the root of the wings. There 
are traces of brown markings on the thorax which cannot be 
made out. 
The abdomen brilliant orange-yellow, the first four segments 
apically banded with metallic purple, the other segments showing 
traces of the metallic banding (probably rubbed), clothed with 
orange-yellow hairs, densely so at the apex, venter similarly 
marked to the dorsum. 
Wings testaceous at the base, veins densely clothed with 
longish brown scales, costa and first longitudinal very dark 
brown scaled ; base of the second posterior cell nearer the base 
of the wing than the base of first sub-marginal cell. 
Halteres testaceous with dusky knob. 
Legs with coxae orange-yellow, femora orange-yellow at the 
base, apically metallic black, rest of legs clothed with metallic 
black scales showing purplish and slight golden reflections— 
general appearance of legs dark metallic black. 
Length .—-5 min. 
p 2 
