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Insects Affecting White Pine : 1. Nearly full grown larva of imperial moth, Basilona imperralis Drury; 2. Masses of the pine bark louwe, Chermes pinicorticis Fitch; 3. Pupal cells of white pine weevil, Pissodes strobi Peck under bark of pine log; 4. Burrows of larvae of same in bark; 5. Portion of dead shoot killed by the insect, showing the circular exit holes, the borings of the insect in upper part and the shrunken area extending down on the affected portion of the twig; 6. Pupal cells of white pine weevil within the wood, showing method of exit and also a few exit holes in the shrunken affected bark; 7. Adult weevil, Pissodes strobi Peck; 8. Leconte's sawfly larvae, Lophyrus lecontes Fitch in resting position, showing below the stubs of devoured foliate; 9. Pine leaf scale insect, Chionapsis furfura Fitch

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