The armyworm and its control - Walton, William Randolph, 1873-1952.; Packard, C. M. (Clyde Monroe) (Washington, U.S. Govt. Print. Off., 1947)
Contributions from Bureau of Entomology and Plant Quarantine.
"Supersedes Farmers' Bulletin 731, The true army worm and its control."
Keywords: Armyworms