No. #179 · Meadow

Woolly Bear Caterpillar

Pyrrharctia isabella

Also called: woolly bear

Butterflies & Moths

Where to look

Regions

N. America

Habitats

meadowsgardens

JFMAMJJASOND

Peak is Sep–Oct.

Research-grade sightings worldwide, by month · Data: iNaturalist community observations

Complete metamorphosis

EggLarvaPupaAdult

Egg → larva → pupa → adult. The young look nothing like the adult and rebuild themselves inside a pupa.

Stage lengths vary by species and temperature, so we don’t print them.

Peeka gives a safety read on every identification. This species is not in our hand-checked list yet, so we do not print a level here.

Card #179 in the Meadow set. Catch it with the camera and it checks into your Bug Hotel.

All species pixel art is drawn by us and is not a photograph. · Updated 2026-09-15