A bark beetle.Licensed from iStockPhoto
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
any of a number of small weevils (family Curculionidae), the larvae and adults of which burrow under the bark of trees, esp. conifers, and feed on the inner bark, sometimes causing extensive damage
Used by arrangement with John Wiley & Sons, Inc.
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Any of various small cylindrical beetles of the family Scolytidae that burrrow along the surface wood directly beneath the bark of trees, causing extensive damage.