White Underwing
Catocala relicta Walker, [1858]
Family: Erebidae
Subfamily: Erebinae
Identification: North America's only underwing with black and white bands on hindwing. Forewing varies from gray to blackish and white, providing camouflage when moth rests on brich bark.
Wing Span: 7-8 cm.
Life History:
Flight: July-October.
Caterpillar Hosts: Poplars, quaking aspen, and willows.
Adult Food:
Habitat:
Range: Newfoundland to Pennsylvania, west across Canada, south to Missouri. Strays reported from Kentucky and Mississippi.
Conservation:
NCGR:
Management Needs:
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Verified Sightings
Displaying 1 - 24 of 260 verified sightings
Observation date: Oct 09, 2025
Submitted by: Seahorse2025
Region: Lincoln County, Maine, United States
Verified by: Sue Gregoire
Verified date: Oct 09, 2025
Observation date: Sep 27, 2025
Submitted by: Blueshamrock
Region: Jackson County, Wisconsin, United States
Verified by: Ilona L.
Verified date: Sep 28, 2025
Observation date: Sep 25, 2025
Submitted by: drifter423
Region: New Brunswick, Canada
Verified by: Sue Gregoire
Verified date: Sep 26, 2025
Observation date: Sep 20, 2025
Submitted by: BruceYC
Region: New Brunswick, Canada
Verified by: Sue Gregoire
Verified date: Sep 21, 2025
Observation date: Sep 09, 2025
Submitted by: drifter423
Region: New Brunswick, Canada
Verified by: Sue Gregoire
Verified date: Sep 11, 2025
Observation date: Sep 04, 2025
Submitted by: Stu Adams
Region: Alberta, Canada
Verified by: davidwdroppers
Verified date: Sep 10, 2025
Observation date: Sep 05, 2025
Submitted by: kryptot
Region: Nova Scotia, Canada
Verified by: Sue Gregoire
Verified date: Sep 06, 2025
Observation date: Aug 27, 2025
Submitted by: Dorothy Herring
Region: Missoula County, Montana, United States
Verified by: davidwdroppers
Verified date: Sep 01, 2025
Observation date: Aug 29, 2025
Submitted by: bobscafe
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Aug 31, 2025
Observation date: Aug 29, 2025
Submitted by: TaliahK
Region: Alberta, Canada
Verified by: davidwdroppers
Verified date: Aug 31, 2025
Observation date: Jul 29, 2023
Submitted by: NebSgird
Region: Wasatch County, Utah, United States
Verified by: jwileyrains
Verified date: Jul 05, 2025
Observation date: Oct 02, 2024
Submitted by: Savvyr222
Region: Quebec, Canada
Verified by: Sue Gregoire
Verified date: Oct 05, 2024
Observation date: Sep 22, 2024
Submitted by: dnight30
Region: Carroll County, New Hampshire, United States
Verified by: rogerdowner
Verified date: Sep 28, 2024
Observation date: Sep 24, 2024
Submitted by: Bob Jacobson
Region: Chippewa County, Wisconsin, United States
Verified by: Ilona L.
Verified date: Sep 27, 2024
Observation date: Sep 19, 2024
Submitted by: rocksnstars
Region: Oxford County, Maine, United States
Verified by: Sue Gregoire
Verified date: Sep 21, 2024
Observation date: Sep 10, 2024
Submitted by: sillybilly308
Region: Quebec, Canada
Verified by: Sue Gregoire
Verified date: Sep 11, 2024
Observation date: Sep 02, 2024
Submitted by: Daveandjanet
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Sep 09, 2024
Observation date: Sep 09, 2024
Submitted by: sjtalon
Region: Iron County, Michigan, United States
Verified by: jwileyrains
Verified date: Sep 09, 2024
Observation date: Sep 05, 2024
Submitted by: Jay Sawatzky
Region: Alberta, Canada
Verified by: davidwdroppers
Verified date: Sep 08, 2024
Observation date: Aug 29, 2024
Submitted by: John Gibbons
Region: Newfoundland and Labrador, Canada
Verified by: curtis.lehman
Verified date: Sep 01, 2024
Observation date: Aug 23, 2024
Submitted by: Shria
Region: Alberta, Canada
Verified by: davidwdroppers
Verified date: Aug 23, 2024
Observation date: Aug 14, 2024
Submitted by: ovidionasone
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Aug 14, 2024
Observation date: Sep 06, 2023
Submitted by: freehikerdave
Region: Cascade County, Montana, United States
Verified by: davidwdroppers
Verified date: Sep 18, 2023
Observation date: Sep 08, 2023
Submitted by: Adeline Lemasson
Region: Quebec, Canada
Verified by: Sue Gregoire
Verified date: Sep 14, 2023
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