DoUchopodidds of St. Vincent (West Indies). 315 



rather wider than long, green, shining, with a violet reflection. 

 Antennas red ; the third joint moderately large, ovate, with a blunt 

 point, brown at the apex. Arista short, black, with moderate 

 pubescence. Cilia of inferior orbit white. Thorax metallic- 

 green. Acrostichal bristles rather large, in two rows, between 

 which the colour is more coppery. A large area of small humeral 

 bristles ; on this area the colour is also somewhat coppery, and 

 whitish dusted. Scutellum coppery. Pleuree green, white-pollinose. 

 Abdomen shining green, the posterior margins of the segments 

 darker, lateral parts white-pollinose. Hypopygium large, exserted 

 but sessile, the main part greenish-black coloured with light dust. 

 Lamellae yellow, brownish and rather pointed in front, with slender 

 bristles ; the upper basal corner is drawn out into a long hairy 

 filament. All the coxae, femora, and tibiae red ; middle coxae with 

 a lateral basal brown spot. Fore and middle coxae with numerous 

 black hairs and bristles. Lateral bristle of hind coxse small. 

 Middle and hind femora with a preapical bristle. Middle and 

 hind tibiae with large bristles arising from an outer glabrous stripe; 

 their tarsi iufuscated from tip of first joint. Hind metatarsus 

 short. Wings a little brownish along the costal portion ; venation 

 normal ; the curve of the fourth vein is almost a right angle. 

 Posterior cross-vein somewhat curved, the convexity outward. 

 Length 3*5 mm. ; of wing, 2*8 mm. 



Numerous males and females. Sea-level to 500 feet. 

 May, September. 



The female differs in having a wider and less dusted 

 face, and somewhat darker tarsi and middle coxas. 



Leptocorypha, n. gen.* 



$ . Face not reaching down to inferior corner of eye. Antennae 

 large ; first joint with hair on the upper side, on the inner apical 

 side projecting in a short cone ; second joint transverse, attached to 

 the first, so as to make an angle toward the side ; third joint large, 

 arista dorsal. The lower part of the joint drawn out in a point 

 with pile on the front and lower sides. Palpi small. Acrostichal 

 bristles in two rows. At a little distance from these, along the 

 anterior dorsal margin of the thorax, begins an area of minute, 

 closely-set bristles, reaching to the humeri, forming a distinctly 

 limited triangular space on each side. Scutellum with two large 



* \tirr6s, narrow ; Kopvcprj^ apex. 



