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Town of Aurora encourages residents to help stop spread of spongy moth caterpillars
April 21, 2022

Town of Aurora staff are working hard to help save its trees and limit the spread and impact of spongy moth infestations, formerly known as the gypsy moth infestations.

Staff are working to remove egg masses from areas identified with significant numbers.

The town is asking residents for help to try and reduce the impact of the caterpillars by scraping egg masses off their trees into hot soapy water. The egg masses are a tan or beige colour and have a soapy appearance.

The town is recommending residents scrape the masses into a bucket of hot soapy water, let them sit for a few days before disposal. Always wear gloves to avoid an allergic reaction.

To learn more about what residents can do to help stop the spread and protect trees, go to