Diptera of St. Vincent {West Indies), 271 



Meigen, Syst. Beschr., i., 13, 1818. 



1-. JEdes pertinans, n. sp. (PL VIII., figs. 29, antenna; 



29a, hypopygium.) 



S ,2 . Face, basal joints of antennae and base of proboscis yellow- 

 ish ; antennae and proboscis otherwise nearly black, the former 

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

 terminal joint of the male only a little longer than the preceding 

 ones. Mesonotum brown, thickly covered with dark brown 

 squamulae ; pleura yellow, with white tomentum. Abdomen deep 

 br()wn, with brown squamuloe ; venter yellow, with white squa- 

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

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

 on the underside. Wings nearly hyaline ; veins uniformly browa 

 squaiiiulate. Leugth 3 mm. 



Six specimens. Sea level and 1000 feet. 



2. jEdesperturhans, 6,9. (PI. VIII., fig. 30, head of 9.) 



$ , 2 • Head black. Antennse 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 the 

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

 longeL- thin 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 

 clothed with brown squamulae. Abdomen yellowish, brownish- 

 yellow or brown, the terminal segments and the hjpopygium 

 brown or blackish ; clothed above with brown squamulae. 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 tibiae largely yellowish beneath the tomentum. 

 Veins of the wings uniformly dark-brown squamulate. Length 

 4-5 mm. 



Eight specimens. 



HiEMAGOGUS, 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 iuequilatarally ar.i- 

 pectinate ; of the female simple. 



