SYSTEMATIC ACCOUNT. 73 
Acrostichal hairs in eight rows; prescutellars present. Mesonotum, scutellum, and 
pleure dull brownish-yellow. Legs pale yellow. Preapical bristles on all tibis. All 
bristles and hairs brown. 
Abdomen dull brown, each segment darker posteriorly. 
Wings clear. Costal index about 2.5; fourth-vein index about 1.9; 5x index about 1.5; 
4c index about 1.2. 
Length body 2.2 mm.; wing the same. 
Type and two paratypes, Havana, Cuba. January-February, 1915. 
The male agrees with the above description. The first specimen seen was 
taken on a pineapple. 
The chromosomes have been described bY Metz (1916, Amer. Nat., 50, 
590; see p. 39 of this paper). 
Group C. 
Postverticals and second orbitals minute; eyes nearly bare; small, metallic-colored 
species; resemble Camilla, but have bare mesopleure. 
Drosophila dubia, new species. 
o. Arista with about five branches above and two below. Antenne dark brown. 
Front over one-third width of head; shining black. Second orbital minute. Only one 
prominent oral bristle. Carina very small and narrow, confined to upper part of face; 
face dark brown. Cheeks brown; their greatest width about one-sixth greatest diameter 
of eyes. Eyes nearly bare. No postverticals evident. 
Acrostichal hairs in six rows; no prescutellars. Mesonotum and scutellum shining 
black. Pleure black. Legs brownish yellow, femora brown. Apical and _ preapical 
bristles on first and second tibiz, preapicals on third. 
Abdomen shining black. 
Wings clear. Costal index about 1.8; fourth-vein index about 2.0; 5x index about 1.3; 
4c index about 1.3. 
Length body 1.5 mm.; wing 1.7 mm. 
Type and one paratype, Cristo, Cuba, 1915 (C. W. Metz). Also seen 
from Herradura (C. W. Metz) and Havana, Cuba; La Ceiba, Honduras 
(F. J. Dyer). The females agree with the above description. 
Drosophila metallica, new species. 
Q. Arista with about six long branches above and four below. Antenne dark brown, 
prominent. Front about one-half width of head, wider above; dark brown, ocellar dot 
black. Second orbital very minute. Postverticals minute. Only one oral bristle, that 
one being rather small. Carina very low, confined to upper part of face; face shining 
reddish-brown. Clypeus hidden. Cheeks brown; their greatest width about one-sixth 
greatest diameter of eyes. Eyes nearly bare. 
Acrostichal hairs in six rows; no prescutellars. Mesonotum shining reddish-yellow in 
front and on lateral margins, shading into metallic blue-black in the middle behind. Scutel- 
lum velvety black. Pleure yellow, with a large dark-brown spot above the middle coxa. 
Legs yellow. Apical and preapical bristles on first and second tibie, preapicals on third. 
Abdomen shining black. 
Wings clear. Costal index about 1.9; fourth-vein index about 2.0; 5x index about 1.8; 
4c index about 1.3. ; 
Length body 1.5 mm.; wing 1.7 mm. 
Type and one paratype, Bartle, Cuba, 1915 (C. W. Metz). 
Drosophila splendida Williston. 1896. Trans. Ent. Soc. London, 412. 
“3, 9. The large frontal triangle metallic-blue, the sides more brownish and the 
frontal lunule yellow. Antennz yellow, the third joint somewhat brownish; arista thickly 
and long plumose. Face opaque yellow, somewhat blackish in the concavities, with a 
slight median carina. Mesonotum brilliant deep metallic blue; scutellum deep opaque 
black; pleurz black but little shining. Abdomen black, the basal segments more or less 
yellow, apparently in life with distinct markings. Legs yellow; all the femora more or 
