What Sampling Unit Should Be Used in Estimating Jack Pine Budworm (Lepidoptera: Tortricidae) Egg Mass Densities?

Author: FOWLER GARY W.   SIMMONS GARY A.  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.81, Iss.2, 1988-04, pp. : 743-748

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