468 GNATS OR MOSQUITOES — CHAPTER XIII 



rather darker in front. Legs dark brown, with pale grey bases. Venter 

 rather pale. Length. — 3*5 mm. 

 Habitat. — Degania, West Africa. 



Note. — The dilatation of tlie femora may be of generic value. 



137. CULEX NIGRIPALPIS, Theobald (Monog. II, p. 322). 



Tarsi uniformly dark brown. Thorax chestnut-brown. Ab- 

 domen almost black, unhanded, grey ventrally. Proboscis almost 

 black ; palpi longer than proboscis, black, last two joints with 

 black hairs, acuminate. Fore and mid tarsal claws of 3 , un- 

 equal; the internal larger, and alone with an extra tooth, those 

 of hind legs equal and simple. 



3 • — Head dark brown, with golden linear curved scales on the sides, 

 mixed, on the nape, with numerous black forked scales ; lateral, flat- 

 scaled areas greyish, extending on to the sides of occiput ; antennae 

 banded grey -brown, with black verticils ; proboscis black, reddish at apex ; 

 the palpi exceeding it in lengtli by nearly all their last two joints ; the 

 latter black with traces of a pale band near the base of the middle jomt, 

 last joint a trifle shorter than the next, and both of them armed with 

 stiff black bristles. Scutellum yellowish, with six bristles on the mid- 

 lobe ; pleurse pale bi'own. Legs nearly black, except the greyish under- 

 sides of the femora. Wings with fork of II four times as long as its 

 stem, its bifurcation well inside that of IV, and 4 more than twice its 

 length inside 3. Length. — 2"5 mm. 



Habitat. — St. Lucia, West Indies. 



138. CULEX LONGIPES, Theobald (Monog. II, p. 68). 



Tarsi uniformly dark. Thorax dark chestnut-brown, with 

 curved black scales, more or less longitudinal ornamentation, and 

 long black bristles ; pleurae pale brown to grey, with long black 

 bristles. Abdomen dusky black, unhanded ; venter yellowish. 

 Legs unusually long, dark brown ; coxae and venter of femora 

 pale. Tarsal claws of ? , very small, simple, and equal. Fork 

 cells of wing short. 



$ . — Head dark brown, with white eye-borders, and the curved and 

 erect scales of the nape alike black ; clypeus castaneous ; cephalic 

 appendages, uniformly dark brown. Pleune pale brown to grey, with 

 numerous black bristles. Venter yellowish. Halteres, with pale brown 

 stem, and the knob learly black. Length. — 4'3 mm. 



Habitat. — Singapore (one specimen taken m a house). 



