SAKCOPHAGA AND ALLIES 219 



No. 104. Sarcophaga subdiscalis n. sp. 



Male. Front .202 of head (one specimen) ; 

 parafrontals and parafacials gray pollinose, not sil- 

 very nor yellow; the latter with row of hairs which 

 are coarse and bristly; frontals about 14, abruptly 

 divergent below, reaching middle of second antennal 

 joint; ocellars large, outer verticals absent; antennae 

 black, third joint brown, twice the second, and reach- 

 ing almost three-fourths of the way to the vibrissas, 

 which are a little above the oral margin ; f acialia liairy 

 almost halfway up; arista long, plumose three-fifths 

 of its length; palpi and proboscis black, ordinary; 

 bucca almost half the eyeheight; beard black and 

 coarse except on metacephalon, where it is whitish; 

 back of head with about four quite irregular rows of 

 coarse black hairs, and some whitish in middle. 



Thorax gray pollinose, with the usual 3 to 5 

 black stripes; all the bristles longer and stouter than 

 usual; ps dc 4, all of large size; ant dc 3, the front 

 one smaller ; ant acr ; prsc 1 ; stpl 3 ; scutellum with 

 2 marginals, 1 smallish subapical, 1 larger apical. 



Abdomen with changeable gray pollen and three 

 shifting blackish stripes, the fourth segment red apic- 

 ally (three-fourths its length in middle, one-fourth at 

 sides) ; first and second segments with only lateral 

 bristles, third with a large median marginal pair; 

 fourth unique in having the row of about 16 that is 

 marginal in other species considerably drawn in from 

 the hind edge across the middle of the dorsum (the 

 meson), so it stands at two-thirds the length of the 

 segment, approaching the hind margin gradually 

 toward the sides ; a row of long hairs fringes the hind 

 margin all the way across. Fifth sternite blackish, 

 V7shaped, with dense hairs along inner edge. 



Hypopygium red, without bristles, first seg- 

 ment subshining, second globose, shining; forceps 

 brown nearly to tip, then black; they do not taper, 

 but are broad and then obliquely truncate with a 

 small tooth on the slightly produced front edge; ac- 

 cessory plate yellow, triangular; posterior clasper 



