Proceedings of the United States National Museum . s State Agr. Soc, vol. 5, pp. 469-503, illus. 1866. Grasshoppers and locusts. Pract. Ent., vol. 2, pp. 1-5, , R. H. 1953. A grasshopper outbreak near Palmer, Alaska, 1951. Journ. , vol. 46, pp. , R. M., and Rock, P. J. G. 1941. New records of Acrididae from Alberta. Canadian Ent., vol. 73, p. A contribution to the knowledge of the Acrididae of Alberta. , vol. 25, pp. , D. A., and Fritz, R. F. 1940. Grasshopper populations of typical pastures in the bluestem region of Kansas. Jour
Proceedings of the United States National Museum . s State Agr. Soc, vol. 5, pp. 469-503, illus. 1866. Grasshoppers and locusts. Pract. Ent., vol. 2, pp. 1-5, , R. H. 1953. A grasshopper outbreak near Palmer, Alaska, 1951. Journ. , vol. 46, pp. , R. M., and Rock, P. J. G. 1941. New records of Acrididae from Alberta. Canadian Ent., vol. 73, p. A contribution to the knowledge of the Acrididae of Alberta. , vol. 25, pp. , D. A., and Fritz, R. F. 1940. Grasshopper populations of typical pastures in the bluestem region of Kansas. Journ. Kansas Ent. Soc, vol. 13, pp. , C. C. 1947. Control of the devastating grasshopper in California. Bull. Cali-fornia Dep. Agr., vol. 36, pp. 97-102, 3 , C. W. 1902. Grasshoppers in California. California Agr. Exp. Sta. Bull- 142, pp. 1-36, 17 Guide to California insects. 360 pp., 361 figs. U, S. GOVERNMENT PRINTING OFFICE: 1958 Plates 1-5 477119—59- PROC U^ S. NAT. MUS. VOL. 110 GURNEY AND BROOKS. PLATE 1. \ A
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