Natural Control Factors Affecting the Spruce Budworm in the Adirondacks During 1946-19481

Author: DOWDEN PHILIP B.   CAROLIN V. M.   DIRKS C. O.  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.43, Iss.6, 1950-12, pp. : 774-783

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