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The upper picture shows a very typical gallery system created by larvae of Purpuricenus nicocles in the oak branch. In the lower picture future emergency hole sealed by a frass is clearly visible.
MH & MR © July 19, 2006
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The upper picture shows a very typical gallery system created by larvae of Purpuricenus nicocles in the oak branch. In the lower picture future emergency hole sealed by a frass is clearly visible.
MH & MR © July 19, 2006
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