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]

Source: The Collaborative International Dictionary of English v.0.48
 

bark beetle

Source: WordNet (r) 2.0
 

Bark beetle \Bark" bee`tle\ (Zo["o]l.) 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.

Source: Webster's Revised Unabridged Dictionary (1913)