A bark beetle.
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
Any of various small beetles of the subfamily Scolytinae that chew tunnels in the surface wood directly beneath the bark of trees, sometimes causing extensive damage.
(plural bark beetles)
- any of various beetles, of the subfamily Scolytinae, many of which reproduce in the inner bark of trees