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BugGuide Gathering
Smoky Mountains
University of Tennessee Biological Field Station
August 8-10, 2008
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Photo#86360
Great Ash Sphinx - Sphinx chersis

Great Ash Sphinx - Sphinx chersis
Fredericton, York County, New Brunswick, Canada
August 29, 1993
Size: large
The partially red form of this caterpillar; feeding on Ash. I have also found the green form and an almost pure red/orange form together on the same group of trees.