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Butternut Woolly Worm

Posted by August 27th, 2008 at 12:00 am

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Horntails, Wood Wasps and Sawflies

Need to know what this is
Photo taken in woods in northern Indiana. August 27, 2008 One inch or a little smaller in length. About ten on one plant. Don’t know what the plant is. Thanks Much,
John Hicks

butternut woolly worm Butternut Woolly Worm

Hi John,
Though it resembles a caterpillar, this is actually a Sawfly Larva known as a Butternut Woolly Worm, Eriocampa juglandis. According to BugGuide, they: “feed on leaves of Black Walnut (Juglans nigra) and Butternut (Juglans cinerea). Also reported on Carya spp. (Hickory).”

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