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On a Polyhedral Disease of Trichiocampus viminalis (Fall.) Larvae (Hymenoptera: Tenthredinidae)1
Published online by Cambridge University Press: 31 May 2012
Extract
The poplar sawfly, Trichiocampus viminalis Fall., is indigenous to Europe, where it is common and widespread, but is also prevalent in the north-eastern United States, Eastern Canada and British Columbia. For the past five or six years it has caused serious defoliation to Populus nigra and P. deltoides in the vicinity of Quebec City.
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- Copyright © Entomological Society of Canada 1959
References
1 Contribution No. 532, Forest Biology Division, Science Service, Department of Agriculture, Ottawa, Canada.
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