SAKCOPHAGA AND ALLIES ' O/ 



ordinary ; back of head with about four rows of black 

 hairs, the inner irregular, and with considerable pale 

 yellow hair about the neck and below, which does not 

 extend forward on the bucca. 



Thorax gray pollinose, with 3-5 black stripes; 

 the subniedian gray stripes di^ided farther than the 

 suture. 



Abdomen gray pollinose, witli black median 

 stripe and two shifting lateral ones; fourth segment 

 red behind more or less broadly, and a faint reddish 

 tinge showing on the sides of the third and even the 

 second segment; tirst and second with only lateral 

 bristles ; third with a stout median marginal pair and 

 several laterals, making an interrupted row; fourth 

 with a row of about a dozen. 



Hypop5"gium red; first segment of medium size, 

 subshining, with row of bristles behind ; second rather 

 small, with some erect bristly hairs; forceps red on 

 basal half, not large, tapering to. middle, then with a 

 sudden enlargement almost like a barb behind, not 

 nmch tapering beyond, the tip blunt and rounded. 

 Accessory plate red, finger-like; posterior clasper 

 red, with brown flat tip not nuich hooked; anterior 

 clasper black from middle, with flat rather straight 

 tip. Penis with short, red basal segment much re- 

 tracted; distal segment becoming black, rounded but 

 not greatly enlarged at tip, bearing a striking pair of 

 large red outstanding arms on the front side beyond 

 the middle. Fifth sternite red, inconspicuous, V- 

 shaped, with only small hairs on inner side and very 

 few l)ristles on edge. 



Legs black; middle femur witli two rows of 

 sj)ines below, the posterior forming a comb; middle 

 tibia ^vitli two bristles on outer front side; hind femur 

 M'ith two rows of long bristles below; hind tibia not 

 vilknis, with long bristles on hind side. 



Wings su})-liyaline; no costal spine; third costal 

 segment longer than fifth and six together; first vein 

 Ijare; tliird hairy at base for a sliort distance. 



I^ength 13-1.5 mm. 



