Biology of the Phantom Hemlock Looper1 on Douglas-Fir in California2

Author: WICKMAN BOYD E.   HUNT RICHARD H.  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.62, Iss.5, 1969-10, pp. : 1046-1050

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