NO.1280. NEW NORTH AMERICAN DIPTERA—COQVILLETT. 91 



of antenna?, and the abdomen is dark brown, changing- into yellow at 

 the apex, the broad hind margins of the segments whitish; length. ?> 

 mm. Four males and one female collected August 7 to 18 by JNIr. 

 H. S. Barber, for whom this fine species is named. 



llahitat. — Las Vegas Hot Springs, New Mexico. 



Type.—QdX. No. 0167, U.S.N.M. 



TANYPUS VENUSTUS, new species. 



Head black, mouth parts brown, antenna? pale yellow, middle of joints 

 of l)asal half and whole of apical joint brown, the hairs brown and 

 y(>lIowish: thorax black, opaque, mottled with grayish pruinose spots 

 and lines, scutellum yellowish, its narrow base, stripe in middle, and 

 nearly whole of underside dark brown; abdomen Avhitish, an inter- 

 rupted band on the hind end of the first five segments and nearl}' the 

 whole of the following segments, brown; legs 3'ellow, two bands near 

 apex of each femur, one near base of each tibia, also apices of tibiae 

 and of joints of tarsi, brown; wings covered with hairs, h3'aline, 

 marked with about eleven brown spots located at extreme base of 

 wing, on humeral crossvein, before middle of axillary cell, beyond 

 middle of anal cell, on the central crossveins, near middle of first 

 posterior cell, near apex of this cell, beA^ond middle of the second and 

 of the third posterior cells, and at apices of the first and of the second 

 veins; first vein near its apex connected with the second by an oblique 

 crossvein, fifth vein forks slightly before the crossvein; length, 4 nnn, 

 A male specimen collected August 9 by Mr. H. S. Earlier. 



llahitat. — Las Vegas Hot Springs, New Mexico. 



Type.—Q.'Ai. No. (5168, U.S.N.M. 



TANYPUS PALLENS, new species. 



Male. — Head ])rown, mouth parts and basal joint of antenna? con- 

 colorous, remainder of antenna? 3'ellow, the hairs brown and whitish; 

 thorax whitish, three vitta? on mesonotum, metanotum, spots on 

 pleura and the sternum dark yellow; abdomen pale yellow, a band 

 near base of segments two to five and nearly the whole of the follow- 

 ing segments, pale brownish; legs and hal teres whitish; wings hyaline, 

 covered with hairs, first vein near its apex connected with the second 

 by an oblique crossvein, fifth vein forks slightly before the crossvein; 

 length 2.5 mm. 



Female. — Abdomen wholh^ yellow, otherwise as in the male; length, 

 slightly over 1 mm. 



Tavo males and two females collected August G to 11 by Mr. H. S, 

 Barber. 



llahitat. — Las Vegas Hot Springs, New Mexico 



Tijpe.— Cat. No. 6169, U.S.N.M. 



