NO. 1280. NEW NORTH AMERICAN DIPTERA—COQUILLETT. 89 



whitish pruinose except on the last two segments; legs reddish and 

 brown, apices of middle and hind femora reddish yellow, tarsi light 

 yellow, apices of joints and whole of fourth joint of hind ones lirown, 

 last joint of front ones white, the ends brown, front femora greatly 

 thickened, spinose on under side, other femora and the tarsi not 

 spinose, middle femora slender, hind ones considerably thickened 

 toward the apices, first joint of front and middle tarsi over twice as 

 long as the second, fourth joint less than half as long as the fifth, 

 claws small, subequal in size, first joint of hind tarsi only slightly 

 longer than the second, the fourth slightly over half as long as the 

 fifth, the claws very unequal in size, the inner one a])out six times as 

 long as the outer, almost as long as the last tarsal joint; wings bare, 

 hyaline, a brown fascia extending from middle of first section of 

 fourth vein almost to the hind margin of the wing, also a large brown 

 spot reaching length of third vein and extending to apices of forks 

 of fifth vein, leaving a hyaline spot below middle of third vein and 

 in apex of fourth posterior cell; third vein connected with the first by 

 a crossvein, reaching four-fifths length of wing, apex of first vein 

 slightly before middle of the third, fourth vein forking slightl}' before 

 the small crossvein; halteres whitish; length, 4 mm. Four females 

 collected June 9 and 22 by Mr. F. C. Pratt, for whom the species is 

 named. 



IlaJntat. — St. Elmo, Virginia. 



%^6^— Cat. No. G103, U.S.N.M. 



TANYPUS STELLATUS, new species. 



Yellowish brown, antennae except the basal joint pale yellow, abdo- 

 men blackish, a whitish ring at three- fourths the length of each femur, 

 tibiffi except each end, and tarsi except apices of the joints, light yel- 

 low, halteres yellow; mesonotum thinly gray pruinose; wings covered 

 with brown hairs, whitish hyaline, marked over nearly the entire sur- 

 face with many brown spots, several of which are confluent and inclose 

 small whitish spots; costal cell except at its apex brown; first vein 

 near its apex connected with the second by an oblique crossvein, fifth 

 vein forks a short distance beyond the crossvein; length, 2 mm. A 

 female specimen. 



IlaJntat. — Texas. 



Type.—i^^t. No. 6104, U.S.N.M. 



TANYPUS DISCOLOR, new species. 



Yellowish brown, antenn^fi, scutellum, large portion of abdomen, 

 legs except apices of femora and tibiae, also the halteres, yellow; 

 mesonotum grayish pruinose, most dense at the humeri and in front 

 of scutellum; wings whitish hyaline, two crossbands and the apex 

 largely brown; the first band is on a line with the humeral crossvein, 



