Di'ptem of St. Vincent {West Indies). 271 



Meigen, Sysfc. Beschr., i., 13, 1818. 



1. .'IjJdrs 'pcrtinans, n. sp. (PI. VIIL, figs. 29, antenna; 



29a, hypopygium.) 



(J , 9 • Face, basal joints of antennfe and base of proboscis yellow- 

 ish ; antenna; and proboscis otherwise nearly black, the former 

 only a little more hairy in the male than in the female, the 

 tei-mical joint of the male only a little longer than the preceding 

 ones. Mesonotum brown, thickly covered with dark brown 

 squamulas ; pieurce yellow, with white tomentum. Abdomen deep 

 brown, with bi-owu sqnamuliB ; venter yellow, with while gqua- 

 mulie ; male forceps small, yellow. Legs deep brown ; the femora, 

 and, in a less degree, the tibite showing the yellow ground-colour 

 on the underside. Wings nearly hyaline ; veins uniformly brown 

 squamulate. Length 3 mm. 



Six specimens. Sea level and 1000 feet. 



2. JEdesperturhans, o\ ? . (PI. VIIL, fig. 30, bead of ? .) 



^ , $ . Head black. Antenme brown : plumosity of. the male 

 long, abundant and black ; terminal joint as long as the seven or 

 eight preceding it together, and clothed with short hair ; in tlie 

 female the joints are more slender, and the terminal one is not 

 longer thm the two preceding it taken together, the verticils of 

 moderate length. Proboscis black, as long as the abdomen ; palpi 

 brown. Thorax yellow, the mesonotum a little darker, and 

 cloth 'id with brown squamulje. Abdomen yellowish, brownish- 

 yellow or brown, the terminal segments and the h3popygium 

 brown or blackish ; clothed above with brown squamulje. Legs 

 brown or blackish, the femora, for the most part, yellow, and 

 with a purplish or greyish reflection in some lights ; in some 

 specimens the tibia3 largely yellowish beneath the tomentum. 

 Veins of the wings uuiformly dark-browu squamulate. Length 

 4-5 mm. 



Eiglit specimens. 



H.EMAGOGUS, n. g. 



Allied to yEdes. Palpi short in both sexes ; five-jointed, the 

 first and fifth small, the second nearly as long as the third and 

 fourth togetlier. Anterior claws of mile iuequila!:jr,illy ur.i- 

 pectinate ; of the female simple. 



