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Mass of barrel-shaped eggs of fall cankerworm, Alsophila pometaria, laid on a twig.

Mass of barrel-shaped eggs of fall cankerworm laid on a twig. Credit: James B. Hanson, USDA Forest Service, Bugwood.org<br />Licensed under a <a href="https://creativecommons.org/licenses/by-nc/3.0/us/">Creative Commons Attribution-Noncommercial 3.0 License</a>
Credit: James B. Hanson, USDA Forest Service, Bugwood.org
Licensed under a Creative Commons Attribution-Noncommercial 3.0 License
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