Damage
Asian long-horned beetle gallery development and exit holes weaken the integrity of infested trees and can eventually result in death of severely infested trees. Larvae are considered to be the most dangerous because they tunnel in the cambial region of wood. Larvae feeding reduces wood quality. After a tree has been occupied by generations of the beetles, larval feeding can disrupt the tree's vascular tissues, encourage fungal growth, and cause structural weakness, any of which might kill the tree. Adult Asian long-horned beetles are considered to be of minor importance since they feed on twigs, foliage and occasionally on fruit-bearing trees. Asian long-horned beetle attack both healthy and stressed trees, of any size from potted to mature trees.
The Asian long-horned beetle is now one of the most destructive non-native insects in the United States; it and other wood-boring pests cause an estimated $3.5 billion in annual damages in the United States.
Read more about this topic: Asian Long-horned Beetle
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