'Bark beetle' definitions:
Definition of 'bark beetle'
(from WordNet)
noun
Small beetle that bores tunnels in the bark and wood of trees; related to weevils
Definition of 'Bark beetle'
From: GCIDE
- Bark beetle \Bark" bee`tle\ (Zool.) A small beetle of many species (family Scolytid[ae]), which in the larval state bores under or in the bark of trees, often doing great damage. [1913 Webster]