The American Lady Caterpillar can be detailed through the following descriptors for identification:
black body; yellow bands; yellow rings; two white dots; spiky; black; bristles; hairs; thorns; branching; black head; hairs; red bumps; red dots; orange; yellow hairs; bottom.
This caterpillar has been found in the following North American states and territories:
Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico; New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming, and the southern parts of the Canadian provinces: Alberta; British Columbia; Manitoba; New Brunswick; Newfoundland and Labrador; Nova Scotia; Ontario; Prince Edward Island; Quebec; Saskatchewan; Mexico.
Note that the states/territories listed are a general indicator of areas inhabited by the American Lady Caterpillar as insects typically go where they please, driven by diet, environmental changes, and / or mating habits.