362 POMONA COLLEGE JOURNAL OF ENTOMOLOGY 



with rest of abdomen except a yellow band around middle of dorsal plate ; 

 dorsal plate longer and less acute than ventral ; genital pore about one-third 

 as long as dorsal plate. A/a/f.— Abdomen more slender than in female. 

 Genital segment longer than anal ventral plate ; claspers of medium length, 

 simple, tapering, acute and recurved apically ; anal projection bilobate, the 

 posterior lobe horizontal to other lobe and composed of two lateral flaps, 

 reaching to middle of genital segment ; pubescence very short and sparse. 



Described from five males and two females collected in Colorado by C. 

 F. Baker. 



