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Ambrosia beetle attacking oak tree #775706

Asked October 18, 2021, 1:34 PM EDT

I have an oak tree diagnosed with ambrosia beetles. Is there any chance of chemically treating the tree and saving the tree? Thanks for your help.

Montgomery County Maryland

Expert Response

Unfortunately, no, there is no treatment that effectively controls boring beetles once they are in the tree.

Here is our page on them: https://extension.umd.edu/resource/ambrosia-beetles-trees

Christine

Answered by theHome and Garden Information Center (HGIC), University of Maryland Extension. For timely gardening information and tips, subscribe to our Maryland Grows blog and quarterly newsletter. Follow us on Facebook, Instagram, and YouTube. Replied October 19, 2021, 11:08 AM EDT

This work is supported in part by New Technologies for Ag Extension grant no. 2020-41595-30123 from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.

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