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Infected Comp American Viburnum #870480

Asked May 28, 2024, 5:06 PM EDT

We have just noticed that 3 of the above mentioned shrubs were infected and are dead. We have had them for at least 25 years.

Dakota County Minnesota

Expert Response

As far as I can tell from the second picture, this is a webbed insect damage. The following pages describe some possibilities.
https://extension.usu.edu/planthealth/research/web-spinning-m
https://www.lsuagcenter.com/profiles/mhferguson/articles/page<personal data hidden>34ites
I will try to get your question reassigned to someone with more insect knowledge.

Linda G Tenneson, Benton County Extension Master Gardener & Tree Care Advisor Replied May 28, 2024, 5:19 PM EDT

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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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