SARCOPHAGA AND ALLIES 97 



facial hairs includes only a few, scattering, not large ; 

 antenna; reddish-brown, third joint one and two- 

 thirds times as long as second, and reaching five- 

 sixths of the way to the vibrissa, which are at the oral 

 margin; arista as usual; bucca one-third the eye- 

 height; palpi and proboscis black, ordinary; back of 

 head convex, with three rows of black hairs and only 

 a little pale beard; outer vertical not differentiated. 



Thorax gray, the usual 3-5 black stripes; 3 ps 

 dc ; 3 stpl ; no anterior acrostichals ; prescutellar a very 

 feeble pair; scutellum with two large marginals, the 

 subapical pair minute or absent, apical absent or rep- 

 resented by a pair of divergent hairs. 



Abdomen gray, rather loag and cylindrical, with 

 tessellated pattern; a distinct median black stripe on 

 the first three segments, accompanied by changeable 

 indications of one on each side; ground color of ab- 

 domen largely reddish, especially below; first seg- 

 ment with only lateral bristles ; second and third each 

 with a large, erect median marginal pair; fourth with 

 a marginal row of 10. 



Hypopygium rather small; first segment black, 

 opaque pollinose, with a row of small bristles; second 

 usually shining black, but in some specimens more 

 brown, rarely reddish brown; without conspicuous 

 hairs; forceps black, rather bare, short and at base 

 wide, diverging and near tips again converging, in 

 profile straight with a short turn forward at the 

 point; accessory plate small; posterior clasper small, 

 black, pointed; anterior clasper in profile short and 

 straight, rounded at tip, not hooked, — viewed from 

 behind it is very wide, the end emarginate, and all 

 shining black; penis very short and broad, basal seg- 

 ment not visible, the distal bearing on each side at tip 

 a flap turned forward like an ear; fifth sternite con- 

 spicuous with a linear fissure (not V-shaped as 

 usual) ; on each side of the fissure behind is a small 

 black hoodlike point. 



