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Got Nature? > Posts > Question: How do I treat my walnut trees after dead tree was found with bug infestation
December 14
Question: How do I treat my walnut trees after dead tree was found with bug infestation

Many insects are not actually the cause of tree mortality but simply “opportunists” and infest decaying wood. Spraying the remaining trees depends on the insects and their propensity for infesting live trees.

Cut wood, especially if infested, should never be moved out of the county to minimize the spread of harmful pests. See more at www.dontmovefirewood.org.

Resources:

Certified Arborist (International Society of Arboriculture)

Purdue Pest and Plant Diagnostic Center - Walnut tree beetle, http://www.ppdl.purdue.edu/PPDL/current_interest.html#WTCD

Indiana Walnut Council

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For publications:
The Education Store

Purdue Nature of Teaching

HelptheHellbender.org
Indiana Department of Natural Resources

Master Gardener, Purdue University

Tree Doctor App, Purdue University

Purdue Plant & Pest Diagnostic Laboratory

Purdue Six Legs News Column

Purdue Yard and Garden