The beetle attacks mature trees only; its larvae ultimately kill the tree by feeding under its bark.

山松甲虫只寄生于成年树木，它的幼虫会通过取食树皮下的组织最终杀死树木。

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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。

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The most significant threat to bats is habitat clearance, particularly the removal of the old forest wood where they roost in hollows or under the bark of trees.

对蝙蝠最严重的威胁来自对其栖息地的彻底破坏，特别是对老林区的砍伐，威胁最大。老林区的树洞或树皮内，是蝙蝠赖以栖息的地方。

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Using a hollow tube, they drill into the tree and extract a 5-mm wide cylinder that shows each ring starting with the most recent, just under the bark.

VOA: standard.2010.04.05

Indeed, it is OK, under the new law, to bark if your owner is about to be attacked.

WSJ: Hawaii Turns to Dog Shrink as 'Incessant Barkers' Cut Plea Deals

But then there were fewer dogs to bark at me as I passed under the trees, and, where the dog was big, so was the dog door, and I could crawl in and avail myself of the canned and packaged foods in kitchen pantries.

NEWYORKER: Wakefield

As he filmed the flooding, his emotions changed as quickly as the tide outside his house, which at one point creeps under a second-floor door, prompting Jackley to bark, "Get the hell out!"

CNN: Man hopes to repair ravaged home with tape