Chambers' voice droned, maddening as an insect around his head.

钱伯斯唠唠叨叨，那声音像一只飞虫绕着他的头打转般令人发狂。

《柯林斯英汉双解大词典》

The head louse, Pediculus humanus capitis is a tiny insect which lives on the hair. Occasionally, it is also seen in the eyebrows or beard.

头虱是一种寄生于头发上的细小昆虫，有时亦会在眼眉或胡须间出现。

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Zombified: the fungus takes over the ant's body and, once the insect is dead, produces spores from its head.

僵变：寄生菌控制了木蚁的身体，一旦木蚁死亡，就会从其头顶释放出孢子。

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At the end of our four-hour hike, Remo pounced into a dense roadside thicket to catch a scarce swallowtail, a butterfly noted for its brilliant blue and gold tail whose design mimics the head of a distasteful insect to ward off predators.

BBC: Switzerland��s valley of butterflies