MySheen

Cone-shaped things on young spruce trees-- control of larch ball aphids

Published: 2024-11-05 Author: mysheen
Last Updated: 2024/11/05, On the young trees of spruce, a round shape similar to a small cone often appears in June, which is actually a gall caused by larch aphid. In order to complete a life cycle, larch aphids need to undergo several different insect type changes in spruce and larch trees. Its life process can be seen in 156. What is the white hair on the leaves of larch? Artificial removal of galls from spruce before galls crack. Strengthen preventive measures to prevent the transportation and afforestation of seedlings with insects. Spruce and larch cannot be mixed or planted closely, isolated from each other.

On the young trees of spruce, a round shape similar to a small cone often appears in June, which is actually a gall caused by larch aphid. In order to complete a life cycle, larch aphids need to undergo several different insect type changes in spruce and larch trees. Its life process can be seen in 156. What is the white hair on the leaves of larch?

Artificial removal of galls from spruce before galls crack.

Strengthen preventive measures to prevent the transportation and afforestation of seedlings with insects.

Spruce and larch can not be mixed or planted closely, the isolation distance should be more than 500m (m).

Protect natural enemies in the forest, including ladybugs, lacewings, brown flies, aphid flies, etc.

 
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