Which specific tree type is far more vulnerable to being completely defoliated and potentially killed by adult Christmas beetle swarms?
Answer
Younger, less established ornamental trees.
The resilience of trees against adult beetle feeding damage varies significantly based on their age and establishment status. While mature, healthy native trees, such as established eucalypts, are generally well-adapted to tolerate minor seasonal defoliation and can often recover by pushing out new growth, younger specimens are far more susceptible. Ornamental trees that are less established or younger lack the robust defense mechanisms and stored energy reserves of mature trees, making them highly vulnerable to complete defoliation by large swarms, which can potentially lead to the death of the tree.
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