bark beetle

基本解释

As with the mountain bark beetle, it is not entirely clear why this is happening.
至于山地树皮甲虫，现不完全清楚为什么会发生这种虫害役情。
One hypothesis is that the yellow cedar decline may be caused by insect parasites, specifically the cedar bark beetle.
其中一个假说认为黄杉数量下降是由以衫皮甲虫为代表的寄生害虫导致。
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He could see the beetle under the bark, and draw it forth unharmed for us to squint at through the magnifying glass.
他能看到树皮下的甲虫，并把它毫发无伤地捉下来，放在放大镜下让我们看。

As with the mountain bark beetle, it is not entirely clear why this is happening.
ECONOMIST: Getting warmer

any small beetle of the family Scolytidae, which bore tunnels in the bark and wood of trees, causing great damage. They are closely related to the weevils