Biology and behaviour of the white pine weevil pissodes strobi (Peck) in white spruce
The white pine weevil Pissodes strobi (Peck) (Coleoptera: Curculionidae) is a major pest in spruce plantations in western Canada. Larvae, mining down the axis of the tree, girdle the leader killing at least 2 and sometimes up to 4 years' growth. Existing knowledge of the biology and behaviou...
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| Format: | Others |
| Language: | English |
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2009
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| Online Access: | http://hdl.handle.net/2429/6792 |