Small, round-bodied insect with thickened front wings; small antennae with clubs on the tips
Under tree bark
Varies by species; majority eat the underside of tree bark or wood; others eat fungi that grow in the tunnels the beetles bore into wood
Woodpeckers, brown creepers, ichneumon larvae
Most bark beetles need fungi to break down and digest wood. Some species have these microscopic organisms living in their stomachs.
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