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We depend on donations to keep Butterflies and Moths of North America online and freely available.
If everyone who uses this resource gives a small amount, we could cover our ongoing costs, develop new features, and upgrade the system.
Please consider making a donation of $10, $50, $200, or whatever you can, and show your support for this valuable source of information. Thank you!
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:
Comments: NULL
Verified Sightings
Displaying 1 - 24 of 1178 verified sightings

Observation date: Sep 17, 2018
Submitted by: Arnsaga
Region: Cumberland County, Maine, United States
Verified by: John Calhoun
Verified date: Sep 02, 2020

Observation date: Aug 24, 2020
Submitted by: Cyrus Li
Region: Montgomery County, Virginia, United States
Verified by: rogerdowner
Verified date: Aug 25, 2020

Observation date: Aug 19, 2020
Submitted by: Cyrus Li
Region: Montgomery County, Virginia, United States
Verified by: rogerdowner
Verified date: Aug 19, 2020

Observation date: Sep 30, 2018
Submitted by: Eddie Wyatt
Region: Cumberland County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Aug 19, 2020

Observation date: Aug 17, 2020
Submitted by: Cyrus Li
Region: Montgomery County, Virginia, United States
Verified by: rogerdowner
Verified date: Aug 17, 2020

Observation date: Jul 19, 2020
Submitted by: Stephen G.
Region: Benton County, Arkansas, United States
Verified by: Stephen G.
Verified date: Aug 11, 2020

Observation date: Aug 09, 2020
Submitted by: Cyrus Li
Region: Montgomery County, Virginia, United States
Verified by: rogerdowner
Verified date: Aug 10, 2020

Observation date: Aug 04, 2020
Submitted by: Cyrus Li
Region: Montgomery County, Virginia, United States
Verified by: rogerdowner
Verified date: Aug 06, 2020

Observation date: Aug 01, 2020
Submitted by: Cyrus Li
Region: Montgomery County, Virginia, United States
Verified by: rogerdowner
Verified date: Aug 03, 2020

Observation date: Aug 01, 2020
Submitted by: amparrish15
Region: Dane County, Wisconsin, United States
Verified by: Ilona L.
Verified date: Aug 01, 2020

Observation date: Jul 29, 2020
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: Jul 31, 2020

Observation date: Jun 29, 2020
Submitted by: Barometz
Region: Essex County, New York, United States
Verified by: Sue Gregoire
Verified date: Jul 27, 2020

Observation date: Jul 18, 2020
Submitted by: reupurtbones
Region: Metcalfe County, Kentucky, United States
Verified by: rogerdowner
Verified date: Jul 21, 2020

Observation date: Jul 13, 2020
Submitted by: Eclectic Echeveria
Region: Clark County, Washington, United States
Verified by: davidwdroppers
Verified date: Jul 14, 2020

Observation date: Jul 04, 2020
Submitted by: Eric Wood
Region: Callaway County, Missouri, United States
Verified by: CA Ivy
Verified date: Jul 11, 2020

Observation date: Jul 08, 2020
Submitted by: Mapper
Region: Johnson County, Illinois, United States
Verified by: rogerdowner
Verified date: Jul 10, 2020

Observation date: May 27, 2020
Submitted by: nightjarring
Region: Dickinson County, Kansas, United States
Verified by: stomlins701
Verified date: Jul 06, 2020

Observation date: Jul 03, 2020
Submitted by: TJ in Derry
Region: Rockingham County, New Hampshire, United States
Verified by: rogerdowner
Verified date: Jul 05, 2020

Observation date: Sep 04, 2019
Submitted by: nightjarring
Region: Dickinson County, Kansas, United States
Verified by: stomlins701
Verified date: Jun 30, 2020

Observation date: Jun 28, 2020
Submitted by: BeaLaporte
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Jun 30, 2020

Observation date: Jun 22, 2019
Submitted by: donker254
Region: Fall River County, South Dakota, United States
Verified by: J_Martineau
Verified date: Jun 29, 2020

Observation date: Jun 17, 2020
Submitted by: Benjamin Miller
Region: Knox County, Ohio, United States
Verified by: rogerdowner
Verified date: Jun 21, 2020

Observation date: Jun 20, 2020
Submitted by: Don Marotte
Region: Rockingham County, New Hampshire, United States
Verified by: rogerdowner
Verified date: Jun 20, 2020

Observation date: Jun 19, 2020
Submitted by: NNing
Region: Geauga County, Ohio, United States
Verified by: rogerdowner
Verified date: Jun 20, 2020
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