SARCOPHAGA AND AI.LIES 73 



around and below the foramen; outer vertical not dif- 

 ferentiated. 



Thorax with the usual 3-5 black stripes ; no acros- 

 tichals except prescutellar ; 3 large ps dc; scutellum 

 with the usual pairs — 2 marginal, 1 small subapical, 1 

 rather small apical, the last crossed; stpl 3. 



Abdomen black, with the usual tessellation; first 

 and second segments with only lateral bristles; third 

 with 1 pair median and 3 lateral; fourth with the 

 usual row of about 12. 



Hypopygium black, the first segment of rather 

 moderate size, gray pruinose, and with a row of bristles 

 at apex; second segment subshining but somewhat 

 gray pruinose, with erect black hair; forceps with par- 

 allel front and back surfaces in profile, the outer cor- 

 ner rounded at tip, the inner produced into a short, 

 oblique point ; penis apically with ii thin, bladelike me- 

 dian portion, and on the front side a pair of divergent 

 slender sharp processes. 



Legs black, middle femur with both anterior and 

 posterior combs well developed on lower side; middle 

 tibia? with two smallish bristles on outer front side near 

 middle; hind tibice with rather sparse villosity spread- 

 ing both ways from the front side ; pulvilli large on all 

 the feet, brown; claws all long. 



Wings subhyaline, costal segments 3 and 5 sub- 

 equal; costal spine absent; about 10 setuhi? on third 

 vein. 



Female unknown. 



Length, 10 mm. 



One male, Westmoreland Co., Pa., Carnegie Mu- 

 seum ace. 321. 



Type.^In the Carnegie ^Museum, Pittsbin-gh. 



