120 THOMAS SAY FOUNDATION 



apical dark snoutlike one; fifth sternite small and 

 concealed. 



Legs black or brown, without villosity ; hind side 

 of middle femur with comb below near tip; middle 

 tibia with two bristles on outer front side. 



Wings hyaline; no costal spine; third and fifth 

 costal segments subequal; first vein bare and third 

 bristly two-thirds of the way to the crossvein. 



Female. . Front .326 of head (average of five, — 

 .305, .311, .313, .334, .367) ; two to four orbitals; tho- 

 rax and abdomen rather more densely pollinose than 

 male, stripes generally fainter or on abdomen almost 

 absent; no apicals on scutellum; fourth abdominal 

 segment red at tip ; genital segment red, not with lar- 

 vipositor, but the last sternite oval, hairy. 



Length, 5l^-6l^ mm. 



Thirteen males and thirteen females; six from 

 Natrona, Cal., July 18, 1885 (C. V. Riley, part of a 

 large series in the National Museum, bred from Me- 

 lanoj^lus devastator and marginates) , six Sacramento, 

 Cal., "From C, spretus, bred in confinement" (C. V. 

 Riley, in National Museum) ; two Pullman, Wash., 

 Sept. 12, 1896 and Sept. 1, 1897 (R. W. Doane) ; one 

 pair, Wilson Creek, Wash., June 22, 1908 (G. I. 

 Reeves, Webster, No. 3995, in National Museum) ; 

 one Stanford LTniversity, Cal. (J. M. A.) ; three Mos- 

 sow, Ida. (J. M. A.) ; one Uvalde, Texas, July 16, 

 1914, adult on fresh cowdung (Bishopp, No. 3498) ; 

 two males and two females from Maxwell, N. M., 

 bred by C. K. Wildernmth from Melanoplus differ- 

 entialis, ijlumheus and hivittatus (Webster Nos. 

 10241, 11167, 11169) ; two males reared from adult 

 Acridiid at Brawley, Cal., by C. M. Packard (Ur- 

 bahns No. 16163). ' 



A single somewhat darker male with hypopyg- 

 ium rather blackish even on second joint, was collect- 

 ed by the writer at Michigan City, Ind., June 29, 

 1915: the only eastern specimen, and possibly a dif- 

 ferent species. 



