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yellow caterpillar

yellow caterpillar
Oquawka, Henderson County, Illinois, USA
September 6, 2014
Size: 4cm
Found on edge of high quality sand prairie at Big River State Forest.

Moved from Stiriina.

Moved from ID Request.

Were wondering if this might be a young Stiria,
but 4cm would be way too big for that. Any chance of you taking them home and raising them?

I would guess that the size estimate is off. Given the yellow, composite sunflowery things that are blooming right now, not much outside of the crop sunflowers have a disk big enough for that cat to be 2".

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