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jojam

DED Beetle tracks

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jojam   

I crown cleaned an ash today.I noticed that some of larger pieces of deadwood had what looked to be young DED beetle tracks under the flaking bark.Do they lay their eggs in other species apart from elm?:confused1:

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Interestingly (or not!) but the galleries of the Ash bark beetle (Hylesinus varius) run in a different orientation to those of the Elm bark beetles (Scolytus scolytus & Scolytus multistriatus) with the main brood gallery running horizontally (whereas Scolytus spp. run vertically).

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