Seeing dusty web nests forming on your pecan or walnut tree branches? That's fall webworm, and it's showing up across Moro and Edwardsville right now as the season turns.
A healthy, mature tree can typically tolerate a webworm nest or two without lasting damage. A tree already stressed from summer heat or drought is more vulnerable, so the right response depends on the tree's overall condition, not just the nest itself.
Riverbend Outdoor Services has been assessing tree health across the Metro East area since 2007. We'll give you a straight answer about whether a webworm nest needs treatment or is simply a cosmetic issue that will resolve on its own.
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A clear, close-up photo of a webworm nest in a Metro East tree, taken during an actual estimate or job visit. Real local documentation performs better than a generic pest photo.
Canva text suggestion: "Web nests in your trees? Here's what it means" or "Fall webworm season across Metro East"