474 GNATS OR MOSQUITOES— CHAPTER XIII 



Mr. Theobald defines his new genus as follows : — 



" Head covered with very thin, narrow, curved scales, all pointing 

 forwards ; niesothorax and scutelliiin with small, narrow, curved scales ; 

 antenna? of the female fourteen-jointed, very long and filiform, the second 

 joint long, the succeeding joints gradually becoming shorter, apical joint 

 globose-oval ; the second to fifth joints densely covered with scales and 

 with longish hairs, remaining joints with shorter hairs and no scales, 

 verticillate hairs scant}' and short, absent on the second and third joints ; 

 basal jomt globose, bare ; palpi short, four-jointed, apical joint the longest, 

 the two basal joints small ; clypeus prominent, nude ; proboscis long, 

 but not so long as the body. Legs with the fore and mid femora 

 swollen ; fore and mid "ungues equal and simple, the former straighter 

 than the latter. Wings with venation as in Culex, the scales rather 

 thick, either truncated (in middle of vems) or lanceolate laterally." 



1. BRACHIOMYIA MAGNA, Theobald (Monog. U, p. 344). 



Tarsi brown, unhanded. Thorax glistening brown, unadorned. 

 Abdomen unhanded, steely-grey, with dull brown scales, sparsely 

 mixed with yellow behind. Antennae of $ considerably longer 

 than the body. 



$ . — Head brown, with grey linear curved, and yellow erect forked 

 scales; antenna filiform, brown, with the basal joint ochreous; palpi brown, 

 short, three-jointed, the basal joint stoutest. Pleurte mottled yellow 

 and brown, metanotum nude. Halteres yellow, with dusky knobs. Tiegs 

 brown, pale at the base and on undersides of femora, which are dilated in 

 the fore and mid legs. Tarsal claws equal and simple, with a large 

 yellow empodium between them. Venter pale brown. Length. — 

 4"3 mm. 



Habitat. — St. Lucia, West Lidies. 



