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diving beetle

noun

Definition of diving beetle

: any of various predatory aquatic beetles (family Dytiscidae) that breathe while submerged using air trapped under their elytra

Examples of diving beetle in a Sentence

Recent Examples on the Web

 From horror to hope Scientists have known for a few decades that diving beetles share the waterlogged limestone cavern known as Devil’s Hole with the pupfish. — Jason Bittel, National Geographic, "Brutal beetles kept world’s rarest fish from breeding—until now," 1 Mar. 2019

First Known Use of diving beetle

circa 1889, in the meaning defined above

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