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Cankerworm Control in Shelterbelts
Imidan, Pyrocide and Dipel were consistently among the most effective insecticides applied for cankerworm control in Siberian elm shelterbelts in 1973 through 1976. Sevin, Dylox, Lorsban, Thuricide
------- Cankerworm Control in SheI terbelts
The spring cankerworm, Paleacrita vernata (Peck), and the fall cankerworm, Alsophila pome­ taria (Harris), are important as defoliators in shel­ terbelts in the northern Great Plains (Fig. 1). In