Bijptera of St. Vincent (West Indies). 409 



4. Drosophila annulata, n. sp. 



^, $. Front less than one-tliird of the width of the head; 

 silvery-grey and opaque black. Antennae reddish-yellow, the first 

 joint above, and the third at the base, blackish. Face blackish, 

 greyish dusted ; median carina yellowish, nose-like, subsulcate. 

 Mesonotum opaque coffee-brown, with narrow, irregular, yellowish- 

 grey markings. Scutellum darker brown, its basal angles and the 

 apex greyish. Abdomen black, the narrow angles of the segments 

 yellow, forming more or less complete bands, and a narrow yellow 

 stripe in the middle of the posterior segments. Femora, except 

 the yellow tip, dark brown ; tibiae yellow, with a basal and terminal 

 brown ring ; tarsi yellow. Wings subhyaline, with blackish clouds 

 on the cross-veins, and a black spot at the tip of the first section of 

 the costal vein. Length 2|- mm. 



Fifteen specimens. St. Vincent. 



5. Drosophila hilineata, n. sp. 



(^. Front of equal width, not widened above; opaque velvety 

 Hack, the orbits and a slender median line opaque yellowish-grey. 

 Face light yellow, on the sides above dusted like the frontal orbits. 

 Cheeks and the dilated palpi black, the cheeks yellow behind. 

 Face distinctly receding, cariuate in the middle. Antennas brown- 

 ish-yellow or brown, the third joint more than twice as long as 

 wide ; arista with about five rays above and three below. 

 Occiput black above. Mesonotum and scutellum opaque deep 

 brown, the former with two narrow stripes, not reaching the hind 

 margin, and appearing like continuations of the frontal orbits. 

 Pleurae light-yellow. Abdomen oval, not elongate ; opaque deep 

 brown or black, the fifth segment, except sometimes a small spot 

 in the middle, the remainder of the abdomen, and the narrow 

 lateral margin of all the segments yellow. Legs light-yellow. 

 "Wings greyish hyaline ; ultimate section of the fourth vein not 

 twice the length of the penultimate section. Length 1| mm. 



Three specimens. St. Vincent. 



6. Drosophila coffeata, n. sp. 



(^ , $ . Dark coffee-brown. Front at the lower part a little 

 less than one-third of the width of the head, with two opaque, 

 anteriorly convergent, velvety black stripes. Basal joints of the 

 antennae yellowish, the third joint brownish on its margin, only a 

 little longer than broad ; arista with four rays above. Face yellow, 



