This bug has been reportedly found in the following regions:
Barling, Arkansas Deer, Arkansas Seymour, Connecticut Citra, Florida Rincon, Georgia Benton, Kentucky Oakland, Maryland Lowell, Massachusetts Garden City, Michigan Lexington, Missouri Saint Ann, Missouri Hudson, New Hampshire Bearsville, New York West Islip, New York Glouster, Ohio Wilkes Barre, Pennsylvania Missouri City, Texas
No positives? C'mon, this caterpillar is majorly cute. The one I found looked like the insect equivalent of an angora cat. There were not hoards of them, just this one, and no discernable damage to plants.