Dolichopodidae of St. V^incent {West Indies). 335 



especially small, all yellow but the tip of third joint. Arista sub- 

 apical, brown, the basal joint somewhat incrassated. Cilia of 

 inferior orbit delicate, of a whitish colour. Dorsum of thorax 

 yellow in front, the posterior part and scutellum shining light- 

 green. Acrostichal bristles two-rowed. The green colour extends 

 forward about to the transverse suture. Farther than this it 

 extends only in three fading and irregular streaks. Laterally it 

 does not reach the bases of the wings. Pleurge plain yellow ; a 

 dark spot below and one behind the wing. Cilia of tegulae 

 yellowish. Metanotum yellow. Abdomen blackish, not shining, 

 more brownish at the base, scarcely tapering. Hypopygiura almost 

 wholly concealed, the length of a few scattered yellowish bristles 

 along the venter is noticeable. In some specimens not fully 

 coloured the abdomen is more yellow at base. All the coxse, legs, 

 and feet light-yellow. Tarsi scarcely at all infuscated. Front 

 ones very long and the pulviili much enlarged and elongated. 

 Hind metatarsus shorter than the following joint, with a minute 

 bristle below. Front coxae with fine yellow and black hair and 

 black bristles. Middle coxae with numerous bristles as in the pre- 

 ceding species. Hind coxae with one lateral bristle. Wings 

 yellow before the third vein. Yenation as figured. The second 

 vein is normal for half its course, then runs farther from the costa, 

 makes a wide sweep, and joins the costa nearly at a right angle. 

 The third vein a little wavy before the end of the se3ond, beyond 

 that bent strongly backward. Fourth vein normal, its last section 

 straight. 



5 . The face moderately narrow, excavated, black with white 

 pollen. Front somewhat wider, black wich less pollen. Palpi 

 almost concealed, brown. Antennae scarcely infuscated at the tip, 

 the arista yellowish. Thorax as in the males. Abdomen yellow, 

 the posterior margin of each segment shining black. On the 

 second segment an anterior black crossband, narrow, enlarged in 

 the middle ; third segment with a wider band, more enlarged ; 

 fourth segment chiefly black ; fifth with only an indistinct band of 

 yellow. Legs and feet as in the male, except that the pulviili of 

 the front feet are of the normal size. Wings but slightly yellow. 

 Veins straight and almost uniformly divergent ; only in the 

 second there is an almost imperceptible trace of two sinuations, at 

 the places where these occar in the male. This vein ends nearer 

 the apex than in the male. 



Length 2-3-2'6 mm. ; of wing, 3-2 mm. 



Numerous males and eight females. 500 to 1 500 feet 

 altitude. 



