AMERICAN DIPTERA. 349 



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

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

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

 border of the wing, forming an even continuation of the vein boundnig the sec- 

 ond basal cell, anal vein completely obsolete. 



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



Viereck.) 



Euthyneura iiura sp. nov. 

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

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

 black. Antenna 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, notumand pleura strongly polished, scutellum with four dusky 

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

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

 the hind tibia, and of the tarsi somewhat dusky, claws and pulvilh small but 

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

 veins stigmal sp^t dusky, filling out the tip of the marginal cell, second vein 

 straight, widelv diverging from the third, discal cell one-third longer tha.i 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 than he 

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

 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, pulviUi 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.-^yes 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. 



Euthyneura 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. Antenu«j as long as the height of the head, the 

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

 equalling its depth. Thorax shining, nearly bare, pleur* and abdomen light y 

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



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



