单词	rove beetle
释义	rove beetle noun : any of a family (Staphylinidae) of often predatory active beetles having a long body and very short elytra beneath which the wings are folded transversely called also staphylinid Illustration of rove beetle Example Sentences Recent Examples on the Web The tiny rove beetle, no bigger than a grain of rice, looked dangerously exposed on the bottom of the glass dish in Joe Parker’s laboratory — and that was even before its fellow prisoner, an ant three times as big, advanced on it. Quanta Magazine, 16 Aug. 2021 When the rove beetle lifts its abdomen and bends apart the segments, the reservoir opens and squirts the mixture at ants or other predators. Quanta Magazine, 16 Aug. 2021 For protection, many rove beetle lineages independently evolved diverse defense glands that spray noxious chemicals from different points on their abdomen. Quanta Magazine, 16 Aug. 2021 One of Andrew’s colleagues estimates that over 3 trillion insects from one family alone, the rove beetles, may have perished so far. Matt Simon, Wired, 8 Jan. 2020 Word History Etymology perhaps from rove entry 1 First Known Use circa 1771, in the meaning defined above
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