NO. 1225. SOME NEW DIPTERA-^COQUILLETT. 597 



DOCOSIA LONGICORNIS, new species. 



Yellow, the front, vertex, unteniiie except the two Inisal joints, three 

 yitt^e on mesonotiim, dorsum of first alxloniinal si^omcnt except a s])ot 

 on each side, a fascia at base of nMiiainin^' segments and the o-e-iitalia, 

 black; tarsi becoming brown toward their apices; antennie more than 

 twice as long as the head and thorax, the third joint ovei- twice as long 

 as wide; bod}" polished, its hairs and those of the coxjv and femora yel- 

 low; wings hyaline, the auxiliar}" vein ends in the first slightly beyond 

 middle of first basal cell, small cross vein less than twice as long as 

 first section of third vein, fifth vein forking before the small cross 

 vein; length, 5 mm. A male specimen, collected b}^ H. K. Morrison. 



Habitat. — White Mountains, New Hampshire. 



Ti/j)€.— Cat No. 5447, U.S.N.M. 



DOCOSIA OBSCURA, new species. 



Black, the halteres and legs yellow, bases of cox^e, femora on base 

 of under side, and the tarsi, brown; third joint of antennre only slightly 

 longer than broad; body polished, the hairs yellow; bristles of hind, 

 tibise shorter than greatest diameter of the tibiaa; wings hyaline, veins 

 brownish, auxiliary vein ends in the first, small cross vein at least four 

 times as long as first section of third vein, fourth and fifth veins fork 

 about opposite first section of the third, sixth vein almost reaching 

 forking of the fifth; length, 3 to 3.5 mm. Three male specimens, 

 collected by H. K. Morrison. 



Hahitat. — White Mountains, New Hampshire. 



Type.— Cat. No. 5448, U.S.N.M. 



DOCOSIA VITTATA, new species. 



Head black, the face, mouth parts, and broad base of antennae yellow, 

 third joint of antennae only slightly longer than broad; body polished, 

 brown, a median vitta on the mesonotum, expanded at the front end and 

 crossing the pleura, also middle of breast yellow, middle of metanotum 

 reddish yellow; hairs of thorax black; halteres and legs yellow, chang- 

 ing into brown at apices of the tarsi; bristles of hind tibice longerthan 

 greatest diameter of the tibial ; wdngs gra3'ish h3'aline, the auxiliary 

 vein ends in the first, small cross vein about twice as long as first sec- 

 tion of third vein, fifth vein forking far before the forking of the 

 fourth, sixth vein reaching over one-fourth of its length beyond fork- 

 ing of the fifth; length, 4 mm. A male specimen, collected by Mrs. 

 A. T. Slo.sson. 



Hahitat. — Franconia, New Hampshire. 



Type.—Cat. No. 5449, U.S.N.M. 



LEPTOMORPHUS PARVULUS, new species. 



Yellow, a brownish ocellar spot, hind margins of second to fifth 

 abdominal segments and whole of the sixth and seventh black, a black 



