Unidentified Yellow and Brown Caterpillars on Sunflower
From smallest to largest

smallest of three caterpillars
Very small and skinny.

sunflower caterpillar
A little larger and chunkier.

medium-sized caterpillar
I only saw these caterpillars in one area on Antelope Island and there were about three different sizes. They
appear to be the same species in different stages of growth, either moth or or butterfly larvae, I just don't
know.  Any help would be appreciated.  I went back a week later and found none.  Maybe someone
gathered them.  This last one was the most developed of the three
sizes of caterpillars. © Carol Davis, 9-13-2009

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