SAECOPHAGA AND ALLIES 227 



scutelluin; genital segment yellow, with vertical slit 

 bearing heavy bristles above ; row of bristles on fourth 

 abdominal segment interrupted in the middle ; middle 

 femur without comb ; hind tibiae not villous. 



Length 10 to 14 mm. 



Six males and six females: Four males and six 

 females, including a paratype of each, from Laurel, 

 Mont. (Parker) ; one male in the Hough collection 

 from Pullman, Wash. (R. W. Doane), and another 

 from Colorado (Experiment Station 2044). 



Mr. Parker reports rearing tlie species in num- 

 bers from decaying fish; he also found the adults "in 

 privies and common around garbage, especially if the 

 latter contained fish." 



Type. — Male, in Massacliusetts Agricultural 

 College. 



Paratypes — In U. S. N. M., deposited bj^ Mr. 

 Parker. 



No. 108. Sarcophaga tuberosa var. 

 sarracenioides n. var. 



Howard, Insect Book, 1902, 165, fig. ; Proc. Wash. Acad. 

 Sci., ii, 565, fig., bred from human excrement (sarra- 

 ceniae Riley). 

 Morgan, Bull. 30, n. ser., Div. Entom., 1901, 25, figs, larva 

 and adult (id.). — Miss.: bred from Melanoplus dif- 

 ferentialis. 

 Williston, Manual, 1908, 348, fig. (id.). 

 Herms, Jour. Exper. Zool., iv, 45-83, biol., breeds in dead 



fish on the shore of Lake Erie (id.). 

 Banks, Tech. Bull. 22, Bur. Ent., 17, larva desc, but iden- 

 tity somewhat doubtful (id.). 

 Kelly, Jour. Agric. Research, ii, 441, bred from grasshop- 

 pers at Wellington, Kans., and Washington, D. 

 C. (id.). 

 Aldrich, Jour. Econ. Ent., viii, 242, notes (id.) 

 Male. Front wide, .230 of head (average of 

 five,— .223, .223, .228, .238, .238) ; front of head and 

 the posterior orbits light yellow pollinose, the facialia 

 however blackish below; frontals about 10, suddenly 

 diverging below and reaching fully to middle of sec- 

 ond antennal joint; ocellars small but distinct; para- 



