National Moth Week is July 18-26!
Moths are amazing creatures. Take photographs and share your moth sightings with us to document the moths where you live.
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:
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Verified Sightings
Displaying 1 - 24 of 148 verified sightings
Observation date: Jul 07, 2026
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jul 14, 2026
Observation date: Jun 23, 2026
Submitted by: Black Spruce Girl
Region: Alberta, Canada
Verified by: davidwdroppers
Verified date: Jun 23, 2026
Observation date: Jun 12, 2026
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jun 15, 2026
Observation date: Jun 12, 2026
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jun 15, 2026
Observation date: Jun 12, 2026
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jun 15, 2026
Observation date: Oct 12, 2025
Submitted by: JoAnnHallHkr
Region: Grafton County, New Hampshire, United States
Verified by: John Calhoun
Verified date: Oct 15, 2025
Observation date: Jul 02, 2025
Submitted by: MNMothMom
Region: St. Louis County, Minnesota, United States
Verified by: Tom Middagh
Verified date: Jul 24, 2025
Observation date: Jun 24, 2025
Submitted by: CWheezy
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jul 06, 2025
Observation date: Jun 28, 2025
Submitted by: E. Wallace
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jul 06, 2025
Observation date: Jun 29, 2025
Submitted by: HallisJ
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jul 06, 2025
Observation date: Jun 25, 2025
Submitted by: miaou
Region: Saskatchewan, Canada
Verified by: James Steen
Verified date: Jun 25, 2025
Observation date: Jul 14, 2024
Submitted by: bobscafe
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jul 16, 2024
Observation date: Jul 09, 2024
Submitted by: MHStewart
Region: Alberta, Canada
Verified by: davidwdroppers
Verified date: Jul 13, 2024
Observation date: Jun 27, 2024
Submitted by: Karlissa J
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jun 28, 2024
Observation date: Jun 22, 2024
Submitted by: Catbird
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jun 23, 2024
Observation date: Jun 23, 2024
Submitted by: Andrea.
Region: Alberta, Canada
Verified by: davidwdroppers
Verified date: Jun 23, 2024
Observation date: Jul 05, 2023
Submitted by: J_Martineau
Region: Lake County, Minnesota, United States
Verified by: J_Martineau
Verified date: Dec 19, 2023
Observation date: Oct 16, 2020
Submitted by: Sparks7
Region: Yavapai County, Arizona, United States
Verified by: jwileyrains
Verified date: Oct 19, 2023
Observation date: Jul 11, 2021
Submitted by: Hira Walker
Region: Sandoval County, New Mexico, United States
Verified by: jwileyrains
Verified date: Aug 22, 2023
Observation date: Sep 03, 2022
Submitted by: NikkiM
Region: Carbon County, Montana, United States
Verified by: J_Martineau
Verified date: Feb 28, 2023
Observation date: Aug 25, 2019
Submitted by: RobertWeeden
Region: Alaska, United States
Verified by: jwileyrains
Verified date: Feb 09, 2023
Observation date: Jul 18, 2022
Submitted by: N_Santill
Region: Chelan County, Washington, United States
Verified by: davidwdroppers
Verified date: Oct 18, 2022
Observation date: May 09, 2022
Submitted by: princessofdarkness
Region: British Columbia, Canada
Verified by: jwileyrains
Verified date: Sep 25, 2022
Observation date: Jul 19, 2022
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jul 29, 2022
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