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Author(s): |
P.J. Pellitteri, D.L. Mahr, D.J. Hall |
Severe, early season defoliation of several hardwood specis may be caused by spring or fall cankerworms. Apple, crabapple, and elm are especially susceptible, but ash, cherry, hickory, maple, and oak can also be affected. This fact sheets details the pests' life cycles, the damage they can cause, and effective means of control (2 pages).