AMERICAN DIPTERA. 349 



ish, the intercalary vein arises near the fourth posterior vein, discal cell one- 

 third longer than the enlarged second basal, its posterior border one-half longer 

 than the outer continuation of that vein, anal cross vein parallel with the hind 

 l)order of the wing, forming an even continuation of the vein bounding the sec- 

 ond basal cell, anal vein completely obsolete. 



One male; Cloudcroft, New Mexico, May 27, 1902. (H. L. 

 Viereck.) 



Eutliyiieura nura sp. nov. 



Female. Length 3 ram. — Shining black with reddish legs. Eyes nearly con- 

 tiguous on the face; front of moderate width. Proboscis and palpi minute, 

 black. Antennae black, shorter than the head-height, the outer joint com- 

 pressed, large, two-thirds as deep as long, its style one-third its length. Thorax 

 with spare hairs, notumaud pleura strongly polished, scutellum with four dusky 

 hairs. Abdomen slender, polished black, its sparse pubescence dusky. Coxae 

 and legs yellowish, simple, rather strong, rather densely pubescent, the tips of 

 the hind tibiae and of the tarsi somewhat dusky, claws and pulvilli small but 

 plain. Halteres yellowish. Wings cinereous hyaline, with broad dusky yellow 

 veins, stigmal spot dusky, filling out the tip of the marginal cell, second vein 

 straight, widely diverging from the third, discal cell one-third longer than the 

 second basal, the vein between the third and fourth posterior cells two-thirds 

 that between the discal and fourth posterior cells, anal vein faint. 



One female ; Massachusetts. 



Euthyneura bulbosa sp. nov. 



Male. Length 1.5-2 mm. — Opaque black. Eyes contiguous on the front, 

 upper facets larger. Proboscis short and fleshy, reaching forward. Antennae 

 short, the second joint large, compressed, circular, the style shorter tha.n the 

 radius of the joint. Thorax very large, provided with short black bristles, 

 scutellum with four long black bristles. Abdomen short, blunt, black-bristly, 

 venter gray pruinose, hypopygium not formed. Legs short and slender, simple, 

 black, tarsi with short bristles, claws small, pulvilli minute. Halteres black. 

 Wings short and broad, cinereous hyaline, veins fuscous, stigma nearly obsolete, 

 discal cell one-third longer than the second basal, the basal cells not enlarged, 

 anal cross vein nearly parallel with the hind margin of the wing, anal vein 

 evanescent, reaching three-fourths to the margin. 



Female. — Eyes widely separated. Thorax, abdomen, halteres and legs except 

 tip of tarsi, reddish yellow. Veins reddish. Abdomen pointed. 



Numerous specimens collected by Mr. J. Chester Bradley, in net- 

 sweepings, in Chester Co., Pa., during the early part of last June. 



Eutliyiieura atripes sp. nov. 

 Female. Length 2 mm.— Black species. Head opaque black, face narrow, 

 sides of front parallel, separated as widely as the posterior ocelli. Proboscis 

 short, fleshy, extending forward. Antennae as long as the height of the head, the 

 outer joint five times as long as deep, slender, not much tapering, its arista 

 equalling its depth. Thorax shining, nearly bare, pleurae and abdomen lightly 

 dusted with cinereous; scutellum with ten black hairs. Coxae and legs black, 



TRANS. AM. ENT. SOC, XXVIII. SEPTEMBER, 1902. 



