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Influence of host genotype on Douglas-fir seed losses to Contarinia oregonensis (Diptera: Cecidomyiidae) and Megastigmus spermotrophus (Hymenoptera: Torymidae) in western Oregon.
| Authors: | T.D. Schowalter, M.I. Haverty |
| Year: | 1989 |
| Type: | Miscellaneous Publication |
| Station: | Pacific Southwest Research Station |
| Source: | Environ. Entomol. 18: 94-97. |
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