Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Isabella Tiger Moth or Banded Woolybear
Pyrrharctia isabella (J.E. Smith, 1797)


Family: Erebidae
Subfamily: Arctiinae
Identification: (Adult) Wings orange-yellow to yellowish brow. Forewing pointed; marked with faint brownish antemedial, median, and postmedial lines. Note broken black reniform spot. Hindwing usually paler, flushed with pinkish orange in the female. Caterpillar (Black-ended Bear or Woolly Bear) colors change as they molt to successive instars, becoming less black and more reddish as they age.
Wing Span: 4.5 - 6.5 cm
Life History:
Flight:
Caterpillar Hosts: Asters, birches, clover, corn, elms, maples, and sunflowers.
Adult Food:
Habitat:
Range:
Conservation:
NCGR:
Management Needs:
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