bark beetle

from WordNet (r) 3.0 (2006)
bark beetle
    n 1: small beetle that bores tunnels in the bark and wood of
         trees; related to weevils
    
from The Collaborative International Dictionary of English v.0.48
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]
    

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