1929] ' New Species of Dolichopodidce from the West Indies 37 
NEW SPECIES OF DOLICHOPODIDCE FROM 
THE WEST INDIES, 
(DIPTERA). 
By M. C. Van Duzee, 
Buffalo, N. Y. 
Psilopus salti, new species. 
Male: length about 5 mm., head broken off in the type. 
Thorax and abdomen dark green, their bristles short ; more 
than half of the abdominal segments opaque black, apical 
part of segments and whole of last one green; venter and 
sides of first segment with long pale hairs. Hypopygium 
(Fig. 2) small, its lamellae black, fringed with hair and with 
several flattened, clavate bristles on one edge. 
Coxae black, anterior pair with rather long yellow hairs 
at tip; femore green with long white hair below; fore and 
middle tibiae yellow, anterior pair with two long bristles 
below, the one near the middle nearly one-third as long as 
the tibia, middle ones with two rather long bristles on lower 
anterior edge; posterior tibiae black; first joint of fore tarsi 
mostly yellow, middle tarsi brown almost to their base, pos- 
terior pair wholly black; last four joints of fore tarsi with 
only short hair below; all tarsi plain, except that the fifth 
joint of middle tarsi is nearly as wide as long; length of 
fore tibiae about as 70, joints of fore tarsi as 50-18-14-8-6; 
those of middle ones as 65-22-14-6-5; joints of posterior ones 
as 65-26-15-6-5. Calypters yellowish brown with the tip and 
cilia black; halteres yellow. 
Wings sligthly tinged with brown in front of second 
vein; last section of fourth vein from the cross-vein to the 
fork 32, from fork to wing margin about 30, cross-vein 31 
and last section of fifth vein about 27 fiftieths of a milli- 
meter long; fork of fourth vein almost a right angle, the 
upper bend broadly rounded. 
Described from one male, taken at Mina Carlota, Tri- 
nidad Mountains, Cuba, March 21, 1925, by George Salt, for 
whom the species is named. 
Type in the Museum of Comparative Zoology, in Cam- 
bridge, Mass. 
