Grasshoppers of the genus Karokia and of the saltator immunis,  and harperi species groups of the genus Melanoplus in California  and Oregon (Orthoptera: Acrididae)
By: by Ashley B. Gurney and George M. Buxton.
Contributors: Buxton, George M.
Series: Occasional papers / Bureau of Entomology, California Department of Agriculture -- no. 13; Occasional papers (California. Bureau of Entomology) -- no. 13.
Publisher: Bureau of Entomology, Dept. of Agriculture
Published: 1968
Place of publication: Sacramento
Language: eng
Number of pages: 56
Subjects: Orthoptera -- California.; Orthoptera -- Oregon.
Notes: Bibliography: p. 33-35.