The scientific or taxonomic name would be Arctiidae.
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The scientific name for the woolly caterpillar is Pyrrharctia isabella.
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An arctiid is a member of the Arctiidae, a family of moths which includes tiger moths, footmen, lichen moths, and wasp moths.
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Tiger moths are a part of the family Arctiidae. These moths are
bright in color and have markings similar to the tiger, which help
give this insect its name.
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These are the larvae of the Arctiidae moth. They eat ragwort,
but can also eat other cinnabar caterpillar larvae, which makes t
hem cannibals.