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Japanese beetle

noun
  1. a small beetle, Popillia japonica, of the scarab family, introduced into the eastern U.S. from Japan, the adult of which feeds on the foliage of fruit and other trees, and the larva of which feeds on plant roots.
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Origin of Japanese beetle

First recorded in 1915–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for japanese beetle

Japanese beetle

noun
  1. a scarabaeid beetle, Popillia japonica, that eats the leaves and fruits of various plants: accidentally introduced into the US from Japan
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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