#2 BULLETIN 156, U. S. DEPARTMENT OF AGRICULTURE. 
badly riddled with holes. In a rearing cage the beetles were ob- 
served eating into kernels of wheat which were exposed on the sur- 
face of the ground. The beetles are also to be collected in large num- 
bers in clover fields. The larve, so far as our records show, attack 
corn, wheat, and potatoes. They also undoubtedly attack oats and 
barley. 
THE DRY-LAND WIREWORM. 
(Corymbites noxius Hyslop,’ fig. 4.) 
The dry-land wireworm, so far as we at present know, is confined 
to the Upper Sonoran Zone of Washington State, though it will un- 
doubtedly be found in the Upper Sonoran of Oregon. This zone is 
Fic. 4.—The ary-land wireworm (Corymbites norius): a, Adult; b, larva; c, under sur- 
face of head of larva; d, side of last segment of larva. a, 6b, enlarged; c, d, more 
enlarged. (Original. ) 
characterized by the presence of sagebrush and occupies that part of 
Washington lying south of the Columbia River, east of the Cascade 
Mountains, and west of the semiarid Transition Zone, extending up - 
the Snake River into Idaho and across the Columbia River into 
Oregon. This region is almost exclusively dry-farming country, 
summer fallowing being necessary to obtain enough moisture to 
mature wheat and other cereals. 
1 Hyslop, J. A. Description of a new species of Corymbites from the Sonoran Zone of 
Washington State (Coleoptera, Elateride). In Proc. Biol. Soc. Wash., v. 27, p. 69-70, 
Mar. 20, 1914. 
