190 Journal New Vokk Entomological Society. [Voi. x. 



veins strongly diverging, last two sections of fifth vein subequal in length. Length, 

 2.5 mm. 



Habitat. — Colorado. 



A single specimen collected by Mr. H. K. .Morrison. Type No. 

 6659, U. S. N. M. 



Agromyza viridula, sp. nov. 



Black, the body, especially the abdomen, greenish, halteres white, apex of 

 proboscis yellowish-brown ; mesonotum somewhat polished, two pairs of dorsocentral 

 bristles, the hairs between them numerous, not disposed in rows ; wings hyaline, 

 veins brown, of nearly an equal thickness, last section of fifth vein two thirds as long 

 as the preceding section, small crossvein near one-third of length of discal cell. 

 Length, 2 to 2.5 mm. 



Habitat. — District of Columbia (Coquillett, in June); Beverly, 

 Massachusetts (Burgess, June 29); Georgia (Morrison); and Agua- 

 dilla and Mayaguez, Porto Rico (Busck, in January). 



f'ive specimens. Near neptis, but that species has three pairs of 

 dorsocentral bristles, small crossvein at middle of discal cell, etc. 

 Type No. 6660, U. S. N. M. 



Hemeromyia, gen. nov. 



Near Agj-omyza but the vibrissae distinctly above the front edge of the oral mar- 

 gin, face strongly convex, etc. Head somewhat quadrangular, front convex, the 

 portion below the ocelli broader than long, bristles as in Parodinia except that the 

 postvertical pair is diverging ; antennse scarcely one-sixth as long as the head, the 

 third joint orbicular, arista bare, face retreating at the oral margin, a row of bristles 

 on lower portion of cheeks, eyes transversely oval, bare ; proboscis short and robust ; 

 palpi clavate ; costal vein reaching apex of fourth, not incised, auxiliary vein indis- 

 tinct, its apical portion united with the first, the second, third and fourth veins nearly 

 parallel, hind crossvein transverse, anal and second basal cells present but small, sixth 

 vein obliterated before reaching the wing margin. 



Type, the following species : 

 Hemeromyia obscura, sp. nov. 



Black, the face and cheeks yellow, antenna:, palpi and lialteres brownish-yellow, 

 knobs of halteres whitish ; front opaque, the ocellar triangle and orbits slightly 

 polished, cheeks one sixth as wide as the eye height ; mesonotum almost without 

 hairs, bearing four pairs of dorsocentral bristles, four supra-alar, one humeral, two 

 posthumeral, mesopleura with one bristle and a row of hairs along the posterior edge 

 and a bristle near middle of lower edge, a small pteropleural bristle, sternopleura 

 bearing one bristle and a few hairs, scutellum bearing four bristles, tibiae without 

 bristles, wings hyaline, last section of fifth vein one-fifth as long as the preceding 

 section, small crossvein at three-fourths length of discal cell. Length, 1. 5 mm. 



Habitat. — Las Vegas Hot Springs, New Mexico. 



