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Carpinus bonsai: close up of excelsior

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Carpinus bonsai: note holes throughout the tree and exit hole in the front above the cut

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Acer bonsai with tunneling in root end

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Carpinus bonsai with dead larvae on piece being held and excelsior on bottom of cut

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Juniper bonsai tunnels

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Juniper bonsai with probe pointing to frass

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Acer bonsai with tunneling through whole stem

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Carpinus bonsai with close up of dead larva head