darkling beetle

noun

Definition of darkling beetle 

: any of a family (Tenebrionidae) of firm-bodied, mostly dark-colored, nocturnal beetles that feed on vegetation and often have vestigial and functionless wings and whose larvae are usually hard, cylindrical worms (such as a mealworm)

called also tenebrionid

First Known Use of darkling beetle

1816, in the meaning defined above

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The first known use of darkling beetle was in 1816

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