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Spongy Moth Masses: A Concern for Oak Trees

Spongy Moth Masses

Our focus is on identifying and addressing spongy moth masses, a potential threat to the well-being of your cherished trees. Spongy moths, in their larval stage, can cause considerable damage to the foliage and overall health of oak trees. The larvae often form clusters, known as egg masses, on the branches and trunks of the trees, resembling spongy or cotton-like material.

Homeowner Tips:

  • Scrape and Soak: If you notice egg masses, carefully scrape them into a container of soapy water and let them soak for a couple of days to prevent further infestation. Dispose of soaked egg masses in a sealed bag in your garage or another secure location.
  • Golden Pest Oil Spray: Consider using a golden pest oil spray designed to manage insect infestations. Follow the manufacturer’s instructions for safe and effective application on affected areas.

Your efforts contribute to the overall health of your trees and support our mission to maintain a healthy urban tree canopy. If you observe any spongy moth egg masses or have questions about your oak trees’ health, please reach out to our dedicated team.

Photo By: Bill McNee, Wisconsin DNR

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