SYSTEMATIC ACCOUNT. 99 
Specimen examined: St. Vincent, West Indies, 1,000 feet (Williston type 
material). The orbital bristles are missing on this specimen. 
Drosophila annularis Sturtevant. 1916. Ann. Ent. Soc. Amer., 9, 327. 
D. annulata Williston. 1896. Trans. Ent. Soe. London, 409 (not Notiphila annulata 
annulata Fallén. 1813. Vet. Akad. Hand.; Drosophila annulata Zetterstedt. 1847. 
Dipt. Scand. 6). 
Front less than one-third width of head; dark brown, grayish pollinose on frontal stripes, 
a whitish spot above each antenna. Arista with about 7 branches above and 4 below. 
Antenne yellowish, third joint darker above. Second orbital about one-fourth other two. 
Only one large oral bristle. Face blackish brown; carina noselike. Cheeks brown; their 
greatest width about one-fifth greatest diameter of eyes. Eyes with short, thick pile. 
Acrostichal hairs in 8 rows; no prescutellars. Mesonotum dull brownish-black, with 
narrow irregular grayish markings in front, and a pair of faint blotches behind; humeri 
grayish. Scutellum dull black, its basal angles and apex grayish. Pleurze brown, grayish 
pollinose. Femora brown, yellowish at tips; tibize yellow, each with a basal and an apical 
brown band; tarsi yellow. Apical and preapical bristles on first and second tibix, pre- 
apicals on third. 
Abdomen yellow, each segment with a broad posterior velvety black band. The bands 
on the third, fourth, and fifth segments are broken in the mid-dorsal line. 
Cross-veins clouded; a black spot at tip of first vein. Costal index about 2.2; fourth- 
vein index about 1.5; 5a index about 1.0; 4c index about 1.0. 
Length body 2.5 mm.; wing 2.5 mm. 
Specimens examined: St. Vincent, West Indies, 1,500 feet (Williston 
type); Alajuelo, Panama (A. Busck). The St. Vincent specimen is headless. 
Drosophila fasciola Williston. 1896. Trans. Ent. Soc. London, 410. 
o. Arista with about five branches above and three below. Antennz yellowish brown, 
third joint darker. Front about one-third width of head, wider above; brown; vertex, 
orbits, and triangle yellowish. Second orbital about one-fourth other two. Only one 
prominent oral bristle. Carina narrow, flat; face yellowish brown. Cheeks brown; their 
greatest width about one-fifth greatest diameter of eyes. Eyes with short, thick pile. 
Acrostichal hairs in six rows; no prescutellars. Mesonotum dull grayish-yellow, with 
numerous brown dots, the latter coalescing to form a broad median stripe and a pair of 
narrow anterior ones just inside the dorsocentral lines. Scutellum grayish yellow, each 
bristle arising from a brown dot. Pleure brown, slightly grayish pollinose. Legs pale 
brown; femora darker at base, and tibie with dark proximal and distal bands. Apical 
and preapical bristles on first and second tibiz, preapicals on third. 
Abdomen brown, each segment yellowish at base. 
Wings clear, tip of first vein black. Costal index about 1.8; fourth-vein index about 1.6; 
5x index about 1.3; 4c index about 1.3. 
Length body 2 mm.; wing 2.2 mm. 
Specimen examined: St. Vincent, West Indies, 500 feet (Williston type). 
Drosophila repleta Wollaston. 1858. Ann. Mag. Nat. Hist., 41, 117. 
D. punctulata Loew. 1862. Berlin. ent. Zeit., 6, 232. 
D. adspersa Mik. 1886. Wien. ent. Zeit., 5, 328. 
? D. nigropunctata van der Wulp. 1892. Tijd. Ent., 34. 
?D. marmoria Hutton. 1901. Trans. N. Zeal. Inst., 33, 91. 
3%, 2. Arista with about five branches above and three below. Antenne grayish 
brown, third joint reddish. Front about one-half width of head, wider above; gray; each 
bristle arising from a dark-brown spot, and a pair of reddish-brown velvety lines converging 
below. Second orbital about one-third of other two. Only one prominent oral bristle. 
Carina distinctly suleate; face brown. Cheeks yellowish brown; their greatest width 
about one-fourth greatest diameter of eyes. Eyes with thick pile. 
Acrostichal hairs in eight rows; a pair of slightly enlarged hairs in the prescutellar 
position. In front of the dorsocentral bristles and in the same row with them are a few 
slightly enlarged hairs. Two large humerals. Mesonotum and scutellum gray, each bristle 
and hair arising from a dark-brown dot; these dots are irregularly fused into larger splotches, 
and there is also a dark-brown splotch on the disk of the scutellum. Pleurze brown. Legs 
