62 Journal New York Entomological Society. [Vol. xm. 



Yellow, the antennae and palpi dark brown. Antennae reaching slightly beyond 

 base of abdomen. Mesonotum highly polished. Femora slender, not spined,' 

 first tarsal joint as long as the following three, last joint not spined, claws 

 minute. Wings hyaline, third vein reaches two thirds length of wing, apex 

 of first vein at middle of the third, fourth vein forks a short distance beyond 

 the small crossvein. Length «i mm '.: gihus.* 



12. Hind and other tarsal claws equal or nearly equal in length 13 



Hind tarsal claws very unequal in length. Black, the first antennal joint and 



base of the second, the halteres and legs, yellow, apices of femora, of tibiae 

 and of first three tarsal joints, also the whole of the last two joints dark brown. 

 Antennae reaching middle of abdomen, the second joint nearly twice as long 

 as the first, the following joints at least twice as long as wide. Body highly 

 polished, a white pruinose vitta above the coxa\ Femora slender, the first 

 two pairs without spines, the hind ones with two spinous bristles near apex of 

 under side ; first joint of tarsi longer than the following three together, the 

 last joint not spined, claws large, those of the first two pairs of tarsi equal in 

 length. Wings hyaline, third vein reaches five sixths length of wing, apex of 

 first near one third of the length of the third, fourth vein forks a short distance 

 before the small crossvein. Length 3 mm curriei.^ 



13. Hind femora strongly bowed forward, hind tibiae chiefly yellow, black, the 



head reddish brown, the first joint of antennae and bases of the following 

 nine, the stems of the halteres and the legs, yellow, the coxa:, bases of last 

 two pairs of femora and of their tibiae, also the last two tarsal joints, brownish 

 black. Antennae reaches middle of abdomen, the second joint slightly longer 

 than the first. Mesonotum scabrous, pleura and abdomen polished. Femora 

 rather slender, the hind ones considerably thickened, front femora bearing a 

 single spine near middle of the under side, the others without spines ; first 

 joint of tarsi longer than the three following together, last joint of hind 

 tarsi spined on the basal half of the underside, claws large. Wings hyaline, 

 third vein reaches six sevenths length of wing, apex of first vein near one 

 third length of the third, fourth vein forks slightly before the small crossvein. 



Length 3 mm scabt r. i 



Hind femora almost straight, their tibiae black. Black, the halteres, front coxa 1 , 

 trochanters, femora except their apices, and first three tarsal joints except their 

 apices, yellow (front and middle tibiae and their tarsi wanting). Body highly 

 polished. Femora rather slender, not spined, first tarsal joint longer than the 

 three following, last joint of hind tarsi spined on the under side, claws large. 

 Wings hyaline, third vein reaches three fourths length of wing, apex of first 



"- Biscayne Bay, Florida. Three female specimens collected by Mrs. A. T. 

 Slosson. Type No. 8360, U. S. National Museum. 



t Kaslo, British Columbia. A female specimen collected June 17 by Mr. R. B. 

 Currie, for whom this fine species is named. Type No. 8361, U. S. National 

 Museum. 



% Frontera, Tabasco, Mexico. A female specimen collected February 22 by Mr. 

 C. H. T. Townsend. Type No. 8362, U. S. National Museum. 



