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carpenterworm moth

noun
1.
any moth of the family Cossidae, as Prionoxystus robiniae of the U.S. and southern Canada, whose larvae bore into the trunks and branches of oaks, locusts, and other trees.
Also called carpenter moth.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for carpenter moth

carpenter moth

noun
1.
any of various large moths of the family Cossidae, the larvae of which bore beneath and cause damage to tree bark
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
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Encyclopedia Article for carpenter moth

any member of a group of insects in the moth and butterfly order, Lepidoptera, whose pale, nearly hairless larvae bore in wood or pithy stems and can be highly destructive. The larvae live one to three years. Adults have vestigial mouthparts, long, thick bodies, and gray to brown wings that are frequently mottled or spotted. The wingspan varies from under 2.5 cm (1 inch) in the temperate zone to about 25 cm (10 inches) in Xyleutes boisduvali of Australia.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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