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Photo#562402
Webbed branches with many caterpillars mid August in MN. - Schizura concinna

Webbed branches with many caterpillars mid August in MN. - Schizura concinna
International Falls, Koochiching County, Minnesota, USA
August 13, 2011
Size: .75 inches
We found these caterpillars on our Kelsey Crab this morn. They have a huge web in the upper branches and have left the web and are massed together eating the leaves.
Usually we have problems with Tent Caterpillars in the spring and these don't look the same as the tent caterpillars.
Does anyone know what they are and if they are destructive to the tree and how to get rid of them if they are going to be returning?
Thanks for your help.

Moved
Moved from ID Request.

most of
these will be killed by predators. they mass and become easy prey to inchumonds and paper wasps. one or 2 will survive for next year maybe.
but they dont make webs..the webs are more than likely a colony of fall webworms, which are fuzzy and live in the web. most caterpillers do not do any lasting damage to deciduous trees, as the leaves all fall off in the fall, anyway

Looks to be Schizura concinna

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