PARKER: NEW ENGLAND SAKCOl'l l.\( ;i DAE. 'u 
ported hy chitinous structuiv, toniior l)il()l»t(l at ciid and slij^ditly 
shorter than the latter. 
Described from eleven speciineiis; over one hundred exuiniut-d. 
Ranok. — New England: Mass.: .Vnilierst, Winclicndon, North 
Adams, Westfield, Springfield, Mt. Tom, Auhnrndalc, Kdgartown, 
Wcllesley, Melrose, ("amhridge. Forest Hills, Beverly, J*enikese Island; 
Me.: Orr's Island; N. H.: Conway; Conn.: New Haven, Darien. 
United States: N. Y., X. J., Pa., (Ja., la., Ky., ("olo., Ariz., Mont., 
Utah, Calif. 
Foreign: Canada, Bi'riiiuda. 
This is prol)ably the most common species of sarcophagid in the 
northeastern United States. From other New EnglantI species of 
the genus it is easily separated by the five rows of bristles on the 
anterior face of the third femur, though this character appears in at 
least one other species that occurs farther south. I have also noted 
the same on specimens of the common Sarcophaga carnaria of Europe, 
but as within the species under discussion, it is somewhat variable and 
the intermediate rows are apt to be vestigial. In the latter case, the 
presence of four postsutural dorsocentrals will distinguish it from 
pcniculata, which has only three; both species have brushes on the 
fourth ventral plate. It is the only New England species of Ra\inia 
that has a suhmcsotihial bristle. The bristles of the anterior and pos- 
terior ventral rows of the middle fennir are much stouter than in the 
other species and the 'comb' extends farther back along the femur. 
The submesotibial bristle is sometimes wanting, but this most com- 
monly happens in southern specimens. 
The color of the parafrcmtals anrl genae is more or less brassy, but 
in some specimens approaches silvery or grayish white. The latter 
color has been noted in western and southwestern material. 
Southern forms, which are probably entitled to at least subspecific 
rank, have both genital segments dull orange and are somewhat yel- 
lowish pollinose. These forms also differ slightly in the structure of 
the penis. 
This species is often found feeding or larvipositing on human excre- 
ment. 
