Bug Identifier
Woolly bear caterpillar (likely Isabella tiger moth larva)
Community identification

Woolly bear caterpillar (likely Isabella tiger moth larva)

Pyrrharctia isabella

Order & Family
Lepidoptera; Erebidae (formerly placed in Arctiidae)
Size
About 3–5 cm (1.2–2 in) long when mature.
See this bug in the Encyclopedia

Natural Habitat

Fields, gardens, roadsides, and other open areas across North America; often found wandering in fall.

Diet & Feeding

Feeds on many low-growing plants, including grasses, dandelions, and plantain.

Behavior Patterns

A fuzzy, banded caterpillar that curls up when disturbed and overwinters as a larva; it later pupates into an Isabella tiger moth.

Risks & Benefits

Generally harmless, though its bristles may irritate sensitive skin. It is part of the food web and does not typically cause serious plant damage.