DolicJwpodid^ of St. Vincent {West Indies). 317 



posterior row of long bristles on each segment. The bristles of 

 the fifth segment are a little longer than the segment. The exserted 

 hypopygiam is large, yellow throughout, except that the pedicel 

 is brownish at the base, and the lamellaj are bordered with brown- 

 ish. Bristles of the latter yellow, comparatively weak. Coxte, 

 femora, and tibise all yellow. Tarsi yellow at base, uniformly a 

 little brownish toward the tip, on account of the covering of 

 minute dark hairs. Pulvilli of ordinary size. Venation of the 

 wings are in the description of the genus. Length 3'25 mm.; of 

 wing, 3 mm. 



Two specimens. St. Vincent, West Indies. Altitude, 

 one 500 and one 1000 ft. 



Anepsius. 

 Loew, Neue Beitr., v., 1857. 



1. Anepsius linearis, n. sp. 



$ . Thoracic dorsum shining green. Abdomen yellow and 

 black. Legs yellow. Front very short, opaque, greyish. Face 

 white, long, so narrow as to be almost invisible, stni the eyes in 

 well-preserved specimens are not contiguous ; just below the 

 antenna the face widens. Antennae brownish or yellowish, long ; 

 the first joint elongate, with a few hairs above ; the second and 

 third of about equal size, the latter with a blunt point directed a 

 little upward. Arista basal, bare, its first joint thick. Cilia of 

 the orbit apparently wanting in all my specimens. Thorax bright 

 green. Acrostichal bristles in two rows. Scutellum with one 

 large and one minute bristle on each side. Pleurae non-metallic, 

 brown, toward the coxje, and along the hind border yellowish. 

 Halteres yellow. Cilia of tegulae blackish, one or two yellow. 

 Abdomen elongate, laterally compressed, black, non-metallic, 

 second, third, and fourth segments across the dorsum yellow, 

 except the fore and hind margins, venter yellow. Hypopygium 

 small, scarcely exserted, the yellowish appendages minute. The 

 hairs on the sides of the abdomen and on the venter are long and 

 yellowish; on the dorsum they are short and brown. Coxa3 and 

 legs light yellow, only the hind tarsi slightly infuscated. Hairs of 

 fore and middle coxa3 sparse and delicate ; hind coxa with a single 

 slender blackish latei'al bristle. Fore tarsi one-and-a-half times as 

 long as the tibise ; the pulvilli strongly enlarged. Middle tibia 

 just below the knee, with two or three weak bristles in a group ; 

 middle tarsi longer than their tibia. Hind femora with considerable 

 hair, especially on the fore side ; hind tibise long, a little clavate, 



TJIANS. ENT. see. LOND. 1896. — PAKT III. (SEPT.) 22 



