Canadian Forest Service Publications
The relative effects of cocoon submergence on the mortality of the larch sawfly, Pristiphora Erichsonii (Hymenopterea : Tenthredinidae), and its parasite Bessa harveyi (Diptera : Tachinidae). 1960. Heron, R.J. Annals of the Entomological Society of America 53(4): 476-481.
Available from: Northern Forestry Centre
Catalog ID: 30740
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