Susceptibility of Different Instars of the Spruce Budworm (Lepidoptera: Tortricidae) to Bacillus thuringiensis var. kurstaki Estimated with a Droplet-Feeding Method

Author: FRANKENHUYZEN KEES VAN   GRINGORTEN LARRY   DEDES JOHN   GAUTHIER DEBBIE  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.90, Iss.2, 1997-04, pp. : 560-565

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