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Photo#334090
white-marked tussock moth - caterpillar - Orgyia leucostigma

white-marked tussock moth - caterpillar - Orgyia leucostigma
Howell Island Conservation Area, St. Charles County, Missouri, USA
September 13, 2009
In one area, we found dozens of these on the trees. It was evening and most of them were not moving around - just resting on the tree trunks.