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Mystery caterpillar - Halysidota harrisii

Mystery caterpillar - Halysidota harrisii
Lake County, Illinois, USA
July 26, 2010
Size: Approx 1in
I found this caterpillar when I was at the beach in far northeastern Illinois. Was just wondering what kind it was, never seen one like it before.


Moved from ID Request.

Sycamore Tussock Moth (Halysidota harrisii):

Let's see if anyone else agrees.

Welcome to BugGuide!

YAY! Thank you so much! That
YAY! Thank you so much! That is the caterpillar I found outside! This site rocks! Thanks a ton!

Sycamore trees like to be near fresh water, it would make some sense.

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