The Insect Pest Survey Bulletin: A Monthly Review of Entomological Conditions Throughout the United States, Volume 11
Bureau of Entomology, United States Department of Agriculture and the State Entomological agencies cooperating, 1931 - Insect pests
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adults alfalfa aphid apple April April 20 attacking August 24 borer brood cabbage caterpillar causing cent chinch bug citrus clover codling moth Colorado potato beetle Connecticut considerable damage corn ear worm County crop cucumber beetle cutworm Dakota defoliated Dietrich ear worm eastern eggs February feeding fields flea beetle Florida G. F. Knowlton Georgia Grasshoppers H. R. Bryson Haseman heavy infestation Illinois Indiana injury insect J. J. Davis J. R. Watson Jersey July July 21 June June 22 Kansas large numbers larvae leafhopper M. H. Swenk March March 23 Mexican bean beetle Mississippi Missouri mite moderately abundant month Nebraska North Carolina observed October October 24 Ohio orchards outbreak peach pecan Pennsylvania pest pine plants plum curculio reported scale scarce season September September 25 serious South southern species specimens sugarcane thrips trees unusually abundant Utah Valley vicinity Virginia webworm Weekly News Letter weevil York