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PERSISTENCE AND DISPERSAL OF THE NUCLEAR POLYHEDROSIS VIRUS OF NEODIPRION SERTIFER (GEOFFROY) (HYMENOPTERA: DIPRIONIDAE) IN A VIRUS-FREE LODGEPOLE PINE PLANTATION IN SWEDEN
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- Journal:
- The Canadian Entomologist / Volume 120 / Issue 10 / October 1988
- Published online by Cambridge University Press:
- 31 May 2012, pp. 887-892
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- Article
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