Copeman, A.
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Contrôle microbiologique des insectes forestiers nuisibles : un survol
Valéro, J.R.; Bourque, S.N.; Langlois, D.S.; Copeman, A.
Year: 1993
Catalog ID: 16505
Issued by: Laurentian Forestry Centre
Availability: Not available through the CFS (click for more information).
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A sampling technique for estimating numerical trends in larval populations of insect defoliators on conifers. I. Development and experimental evaluation of the technique.
DeBoo, R.F.; Campbell, L.M.; Copeman, A.
Year: 1973
Catalog ID: 35519
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Jack-pine budworm control: a sampling technique for estimating numerical trends in larval populations