IPM Scouting in Stone Fruits
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| Peach bark beetle - Phloeotribus liminaris (Harris) | ||
| IPM scouting in stone fruits > peach bark beetle | ||
| The peach bark beetle (PBB) is active early in spring and present in the orchard throughout the growing season. It generally attacks weakened, unhealthy trees by repeatedly burrowing into the tree to obtain food and to form brood chambers for rearing its young. Entry holes created by the PBB leak sap, further weakening the tree. The holes formed by the PBB, though very similar to shothole borer entry holes, are identified by the presence of frass entwined in silk at the burrow opening. Newly hatched PBB larvae are white with yellowish heads. Mature larvae are pink and about 0.5 mm long. Monitoring and control: Examine unhealthy trees for entry holes. Brood chambers can be found by removing the bark around these holes. Control of bark beetles is largely through cultural practices. Healthy, vigorous trees resist attack. Also, remove dead wood and unhealthy trees from the orchard and surrounding habitat. |
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Additional information
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| This information was developed from A Pocket Guide for IPM Scouting in Stone Fruits by David Epstein, Larry J. Gut, Alan L. Jones and Kimberly Maxson-Stein. Purchase this in a pocket-sized guide for reference in the orchard from MSU Extension (publication E-2840). |
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