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We depend on donations to keep Butterflies and Moths of North America online and free. If everyone who uses this resource makes a donation, we could cover our ongoing costs, develop new features, upgrade the system, and maybe even remove those pesky ads. Please make a one-time or recurring donation to show your support for this valuable source of information. Thank you!
St. Lawrence Tiger Moth
Platarctia parthenos (Harris, 1850)
Family: Erebidae
Subfamily: Arctiinae
Identification: Forewing brown with large yellowish spots and bars that represent usual lines. Hindwing yellow with two black lines from base that merge into median spots; black pm. line a series of partially merged spots.
Wing Span: 5-6.5 cm.
Life History:
Flight: June-August.
Caterpillar Hosts: Alder, birches, lettuce, willows, and other plants.
Adult Food:
Habitat:
Range: Labrador to mountains of western North Carolina, west across Canada, south to Michigan.
Conservation:
NCGR:
Management Needs:
Comments: NULL
National Moth Week was July 23-31, 2022!
Moths are amazing creatures. Take photographs and share your moth sightings with us to document the moths where you live. Learn more.
Verified Sightings
Displaying 1 - 24 of 125 verified sightings

Observation date: Jul 19, 2022
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jul 29, 2022

Observation date: Jul 19, 2022
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jul 25, 2022

Observation date: Jul 14, 2022
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jul 17, 2022

Observation date: Jul 16, 2022
Submitted by: MontanaMoths
Region: Gallatin County, Montana, United States
Verified by: davidwdroppers
Verified date: Jul 17, 2022

Observation date: Jul 12, 2021
Submitted by: Bob Saunders
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Mar 11, 2022

Observation date: Jun 20, 2021
Submitted by: Bob Saunders
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Mar 11, 2022

Observation date: Aug 10, 2011
Submitted by: Akpahsj
Region: Alberta, Canada
Verified by: jwileyrains
Verified date: Feb 28, 2022

Observation date: Nov 15, 2017
Submitted by: Blondegoddess
Region: Eddy County, New Mexico, United States
Verified by: jwileyrains
Verified date: Sep 08, 2021

Observation date: Apr 04, 2016
Submitted by: lunazx6r
Region: Lea County, New Mexico, United States
Verified by: jwileyrains
Verified date: Sep 08, 2021

Observation date: Jun 20, 2021
Submitted by: Chuckoslovakia14
Region: Matanuska-Susitna, Alaska, United States
Verified by: davidwdroppers
Verified date: Jul 14, 2021

Observation date: Jul 03, 2021
Submitted by: crjenkins
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Jul 04, 2021

Observation date: Jun 21, 2021
Submitted by: mark beere
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jun 22, 2021

Observation date: Jun 19, 2021
Submitted by: jmgesell
Region: Lake County, Minnesota, United States
Verified by: Mark Wheeler
Verified date: Jun 19, 2021

Observation date: Jun 04, 2021
Submitted by: cblazo
Region: Franklin County, Pennsylvania, United States
Verified by: jwileyrains
Verified date: Jun 14, 2021

Observation date: Jul 11, 2020
Submitted by: JShelby
Region: New Brunswick, Canada
Verified by: Sue Gregoire
Verified date: Mar 23, 2021

Observation date: Jul 12, 2020
Submitted by: cel1gas
Region: New Brunswick, Canada
Verified by: Sue Gregoire
Verified date: Mar 23, 2021

Observation date: Aug 03, 2019
Submitted by: Bea Kohlhaas
Region: New Brunswick, Canada
Verified by: Sue Gregoire
Verified date: Mar 20, 2021

Observation date: Jul 24, 2020
Submitted by: PATRICK TARRANT
Region: Newfoundland and Labrador, Canada
Verified by: curtis.lehman
Verified date: Sep 02, 2020

Observation date: Jul 23, 2020
Submitted by: bobscafe
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jul 26, 2020

Observation date: Jul 19, 2020
Submitted by: EdmMom11
Region: Alberta, Canada
Verified by: davidwdroppers
Verified date: Jul 23, 2020

Observation date: Aug 03, 2009
Submitted by: chalicerae
Region: Manitoba, Canada
Verified by: chalicerae
Verified date: Jul 07, 2020

Observation date: Jul 03, 2020
Submitted by: keelylopez
Region: Washington, United States
Verified by: davidwdroppers
Verified date: Jul 06, 2020

Observation date: Jun 27, 2020
Submitted by: rmp234
Region: Alberta, Canada
Verified by: davidwdroppers
Verified date: Jun 29, 2020

Observation date: Jun 23, 2020
Submitted by: Stephmay08
Region: Alberta, Canada
Verified by: davidwdroppers
Verified date: Jun 24, 2020
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