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Beetle Frass Production

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: July 16, 2025 | Last Modified: 20200827
These data include frass production estimates from three ambrosia beetle species. Frass was collected from individual ambrosia beetle galleries in Rapid 'Ōhiʻa Death-infected ʻōhiʻa trees (Metrosideros polymorpha) from 2018-2019. Frass is defined as fine particles of macerated wood or boring dust, beetle parts, and feces.

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