Biological Factors Affecting Contarinia oregonensis (Diptera: Cecidomyiidae) Infestations in Douglas-Fir Seed Orchards on Vancouver Island, British Columbia

Author： MILLER G. E.  

Publisher： Entomological Society of America

ISSN： 1938-2936

Source： Environmental Entomology, Vol.13, Iss.3, 1984-06, pp. : 873-877

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