Japanese beetle

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A metallic green and brown scarab beetle (Popillia japonica) native to eastern Asia, the larvae and adults of which feed on and damage the roots, foliage, and fruits of many North American turf, ornamental, and crop plants.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A species of beetle with iridescent copper-colored elytra and green thorax and head, taxonomic name Popillia japonica.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun small metallic green and brown beetle native to eastern Asia; serious plant pest in North America