Appendix. 
315 
Stegomyia nigricephala. Theobald. 
(Kept. Liverpool School Trop. Med. p. iv. App. 1901.) 
Head entirely black. Thorax dark brown, with bronzy- 
brown scales. Abdomen black, with small white basal lateral 
spots. Wings with dark brown scales and slightly tinged with 
brown. Legs dark brown, unbanded. 
9 . Head black, entirely covered with flat black scales; 
clypeus, proboscis and palpi black ; antennae dark brown, basal 
joint testaceous on one side, dark on the other. Eyes golden. 
Thorax black, with rather long bronzy-brown curved scales 
forming rather a dense matting over the black surface, over the 
roots of the wings dense jet-black bristles; scutellum testaceous 
in the middle at the base, black at the apex, lateral lobes 
greyish-brown, mid lobe with flat black and grey scales and six (?) 
c 
Fig. 301. 
Stegomyia nigricephala. n. sp. 
a, wing ; b, head ; c, abdominal ornamentation ; d, ungues 
(fore) of ?. 
black border-bristles; metanotum blackish; pleurae very dark 
with three large patches of white scales. 
Abdomen testaceous at the base, steely-black apically, 
covered with black scales, each segment with a small basal white 
lateral spot; venter black, with basal white bands. 
Legs dark blackish-brown, coxae and trochanters pale brown; 
fore and mid ungues equal, uniserrated, hind equal and simple. 
Wings slightly tinged with brown ; veins clothed with dark 
brown scales; fork-cells small, the first sub-marginal a little 
longer but no narrower than the second posterior cell, its stem 
equal to about two-thirds of the length of the cell; stem of the 
second posterior as long as the cell; posterior cross-vein not 
quite twice its own length distant from the mid cross-vein. 
