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Forest Insect and Disease Survey; Ontario, 1965 - NFIS

Forest Insect and Disease Survey; Ontario, 1965 - NFIS

Forest Insect and Disease Survey; Ontario, 1965 - NFIS

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PINE ROOT COLLAR WEEVIL, Hylobius radicis Buch.<br />

Larva<br />

Infested red-pine are commonly<br />

wind-thrown<br />

Typical damage of root collar<br />

Cross section of root collar<br />

showing repeated attacks

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