180 THOMAS SAY FOUNDATION 



Abdomen gray, tessellated, fourth segment most- 

 ly red; segments one and two with only lateral bris- 

 tles; third with a row of 10, fourth with row of 

 over 20. 



Hypopygimii red, subshining, not very large; 

 first segment retracted, not with bristles ; second seg- 

 ment very convex in profile or with a hump, and bear- 

 ing numerous long black hairs; forceps red, with 

 abundant black hairs on basal portion, bent back on 

 the free part and at tip again bent forward, the latter 

 part black; from behind it appears that the pair of 

 organs are fused, at tip each shows two lateral points 

 and a smaller median one; accessory plate oval, yel- 

 low, smooth; posterior clasper with an unusually long, 

 hair on inner side; penis with the appearance of a 

 truncated tip, the lateral lobes surpassing the middle 

 one in profile ; fifth sternite showing as a broad yellow 

 lobe with short black spines on inner edge. 



Wing subhyaline, third costal segment nmch longer 

 than fifth ; no costal spine ; first vein with a dense row 

 of hairs over half its length, bare the rest of the way 

 to its tip ; third vein with hairs two-thirds of the way 

 to crossvein. 



Length 13 mm. 



One male, San Jose del Cabo, Lower California, 

 in the Hough collection. 



Holotype. — In the Hough collection. 



No. 82. Sarcophaga pedata n. sp. 



Male. Front .198 of head; parafrontals and para- 

 facials silvery with slight yellow tinge, a few scatter- 

 ing hairs on both, the lowest ones slightly longer ; an- 

 tennae brown, the second joint reddish; the third is 

 three times as long as the second and reaches four- 

 fifths of the way to the vibrissa3, which are barely 

 above the oral margin; arista long-plumose for three- 

 fifths of its length; palpi yellow, proboscis black, 

 short; bucca one-third the eyeheight; back of head 

 with a single row of black hairs and numerous pale 



