Bark Beetle on American Elm
Bark Beetle (Scolytidae family) galleries under the bark of an American Elm tree (Ulmus americana) . The center of the gallery is where the eggs of this insect were laid. After hatching, the larvae bore there way away from the center, forming the radiating tunnels. Bark beetles were responsible for spreading the Dutch Elm disease fungus responsible for killing most of the American Elms in North America.
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