SARCOPHAGA AND ALLIES 223 



No. 106. Sarcophaga sulculata n. sp. 



Male. Easily recognizable among snecimens 

 that have not been spread by the peculiar shape of 

 the hypopygium which, as shown in the figure, ex- 

 tends forward underneath the al)ddmen, the divid- 

 ing line between the first and second segments being 

 horizontal. 



Front wide, equally so from the vertex almost 

 to the antennas and .325 of head (average of five, — 

 .314, .318, .324, .333, .335) ; parafrontals gray; para 

 facials more silvery; frontal stripe wide and par- 

 tially covered with gray pollen; frontal bristles about 

 seven, the rows wide apart, nearly parallel down to 

 the last one or two bristles, which diverge rapidly 

 and extend a little below the base of the second an- 

 tennal joint; orbital bristles large; parafacials with a 

 delicate row of hairs; antenuce brown, second joint 

 rather yellowish; third twice the second and reaching 

 more than three-fourths of the way to the vibrissa?, 

 which are at the oral margin ; bucca one-third the eye- 

 height; back of head with about four or five rows of 

 black hairs and only a few pale ones around the neck 

 and just below it; palpi and proboscis black, ordi- 

 nary; outer vertical bristles distinctly developed. 



Thorax gray pollinose, with five to seven black 

 stripes, the median one quite narrow; ps dc four, well 

 developed; ant acr two or three strong pairs; prsc 

 one ; stpl three ; scutellum with two marginal, one sub- 

 apical and no apicals. 



Abdomen gray, tessellated, with three change- 

 able, indistinct dark stripes; first and second seg- 

 ments with only lateral bristles; third with some ap- 

 pressed marginal bristles or coarse hairs, but not with 

 characteristic erect marginals. Fourth segment 

 slightly red behind, Mqth a row of about ten bristles 

 and coarse hairs intermingled. 



Hypopygium red; first segment large, blackish 

 at base, with a row of coarse liairs along the hind 

 edge; second segment red with coarse black recum- 



