SARCOPIIAGA AND xVLIJES 91 



No. 35. Sarcophaga sima n. sp. 



Male. Front narrow, .148 of head; pollen of 

 front and face white or somewhat plumbeous, without 

 yellow tinge, somewhat changeable about the diverg- 

 ent lower frontals; parafrontals much narrower than 

 middle stripe; parafacials with the usual row of hairs 

 below close to eye, the lower ones bristle-like ; antennae 

 black, the third joint somewhat reddish at base, not 

 twice as long as second, reaching about two-thirds of 

 the way to the vibriss.'e, which are on the oral margin ; 

 arista of usual length and plumosity ; some small erect 

 hairs on facial ridges, reaching half way to base of an- 

 tennae ; palpi and proboscis black, the latter very short ; 

 bucca not quite one-third the eyeheight ; back of head 

 with three rows of black hairs, beard yellowish, not 

 very abundant ; outer vertical not differentiated. 



Thorax subshining black with white pollen, which 

 leaves the usual 3-5 black stripes; 3 ps dc; 3 stpl; no 

 ant acr ; a pair of distinct prescutellars ; scutellum with 

 2 marginal, 2 subapical (one evidently abnormal as it 

 does not occur in the paratype male), and one large 

 pair of apicals. 



Abdomen subshining black, with silvery change- 

 able pollen ; fourth segment red on hind margin ; first 

 and second segments with only lateral bristles; third 

 with a pair of median marginals, widely separated 

 from the laterals; fourth with row of about 14. 



Hypopygium red, the first segment somewhat 

 brownish, with subinterrupted row of small bristles at 

 hind margin; second segment red, globose, not large; 

 forceps rather short and stout, curved gently forward, 

 tapering sharply on the hind side to a slight tooth on 

 the inner edge; penis rather small, its stalk black be- 

 hind, whitish and swollen in front ; distal segment with 

 a claw bent closely forward over a compact central 

 part ; both claspers stout and dark brown. 



Wings hyaline; a small costal spine; third costal 

 segment a little longer than fifth; third vein bristly 

 almost to the crossvein. 



