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Lab
8: Defoliators (II)
Picture Sheet 4 of 4 |
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| Click on the pictures for larger view. | Click on the pictures for larger view. | ||
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Adult elm leaf beetle and pupa |  |
Japanese beetles are regulated pests. They often cause problems when they fly into open cargo holds of planes. |
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Japanese beetles skeletonze leaves and are particularly fond on Lindens. |  |
Black vine weevils cause a distinctive notching on yew. They feed only at night. |
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Skeletonization by adult Japanese beetles. |  |
Roots of black vine weevils are the most damaging stage. Root drenches of insecticides are generally ineffective against this pest. |
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