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    Author(s): T.D. Schowalter; M.I. Haverty
    Date: 1989
    Source: Environ. Entomol. 18: 94-97.
    Publication Series: Miscellaneous Publication
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    Schowalter, T.D. and M.I. Haverty. 1989. Influence of host genotype on Douglas-fir seed losses to Contarinia oregonensis (Diptera: Cecidomyiidae) and Megastigmus spermotrophus (Hymenoptera: Torymidae) in western Oregon. Environ. Entomol. 18: 94-97.

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