College of Agricultural, Consumer & Environmental Sciences Illinois Extension

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Mimosa Webworm: The pest behind this year’s Honeylocust damage

September 30, 2026

Every growing season brings a few plant issues that stand out and prompt attention from inquiring plant people. Whether it is something environmental, such as last year's extreme drought, or a rising pest or disease, there are sure to be folks asking questions and wondering about next steps....

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College of Agricultural, Consumer & Environmental Sciences Illinois Extension

101 Mumford Hall (MC-710)

1301 W. Gregory Dr.

Urbana, IL 61801

Email: extension@illinois.edu

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Mimosa Webworm: The pest behind this year’s Honeylocust damage