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Biological control attempts by introductions against pest insects in the field in Canada

, : Biological control attempts by introductions against pest insects in the field in Canada. Canadian Entomologist 107(3): 225-236

An analysis is made of attempts to colonise at least 208 species of parasites and predators on about 75 species of pest insects in the field in Canada. About 10% of the species that were introduced in totals of under 5000 individuals, 40% of those introduced in totals of 5000-31 200, and 78% of those introduced in totals of over 31 200 became established.


DOI: 10.4039/ent107225-3

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