Dieback discovered on red cedar branches in Beloit (Rock County) in August 2025. / Photo Credit: Wisconsin DNR
By River Mathieu, DNR Forest Health Specialist, Fitchburg
River.Mathieu@wisconsin.gov or 608-772-2758
In August, random branch dieback was observed by a Wisconsin Department of Natural Resources forester on red cedars in a 10-acre stand near Beloit in Rock County.
At first, the pattern of dieback was perplexing. Based on a photograph, the damage was first presumed to be caused by a fungal disease. Once a site visit was conducted, it was determined that the branch dieback was caused by cicada oviposition (egg-laying) damage from last year’s emergence of periodical cicadas.
Continue reading “Periodical Cicada Damage Still Visible In Some Areas”
The Wisconsin Department of Natural Resources (DNR) is hosting a webinar to help you develop a competitive urban forestry grant application. This webinar will guide you through the application form so you can submit a strong application that aligns with the DNR’s Urban Forestry Program funding priorities.
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The 
