any of numerous, often brightly colored beetles of the family Chrysomelidae, that feed on the leaves of plants, the larvae of which infest the roots, stem, and leaves.
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Origin of leaf beetle
First recorded in 1850–55
Words nearby leaf beetle
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for leaf beetle
any of a large family of beetles (Chrysomelidae) that includes more than 25,000 species, mostly leaf feeders and mostly brightly coloured, with a metallic sheen. It includes the notorious Colorado beetle, the bloody-nosed beetle and the flea beetles (Phyllotreta species) which attack young cabbage plants
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012