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Henry's Marsh Moth
Acronicta insularis (Herrich-Schaffer, 1868)
Family: Noctuidae
Subfamily: Acronictinae
Identification: Forewing narrow and pointed; white with brown filling between veins. Forewing looks tan overall. Three dark brown streaks extend inward from outer margin, shortest streak near apex. Hindwing pure white without markings.
Wing Span: 3.5-4 cm.
Life History: 2 or more broods.
Flight: April-August.
Caterpillar Hosts: Cattails, grasses, poplars, sedges, and willows.
Adult Food:
Habitat:
Range:
Conservation:
NCGR:
Management Needs:
Taxonomy Notes: Acronicta insularis (Herrich-Schäffer, 1868) includes as a synonym 9280 Simyra henrici, Revista Brasileira de Zoologia, 19: 352.
This species was formerly in the genus Simyra, Systematic Entomology. 41: 416-429.
References
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Verified Sightings
Displaying 1 - 24 of 247 verified sightings
Observation date: Aug 12, 2025
Submitted by: SWilliams
Region: York County, Maine, United States
Verified by: Sue Gregoire
Verified date: Aug 14, 2025
Observation date: Oct 23, 2023
Submitted by: Daniel Morton
Region: Ulster County, New York, United States
Verified by: jwileyrains
Verified date: Jul 08, 2025
Observation date: May 16, 2025
Submitted by: Bob Jacobson
Region: Chippewa County, Wisconsin, United States
Verified by: Ilona L.
Verified date: May 19, 2025
Observation date: Apr 29, 2025
Submitted by: Blue Swallowtail
Region: Wheeler County, Nebraska, United States
Verified by: J_Martineau
Verified date: May 01, 2025
Observation date: Aug 07, 2024
Submitted by: vreimer
Region: Manitoba, Canada
Verified by: chalicerae
Verified date: Jan 26, 2025
Observation date: Oct 22, 2024
Submitted by: Tomalley
Region: Lucas County, Ohio, United States
Verified by: rogerdowner
Verified date: Nov 07, 2024
Observation date: Oct 03, 2024
Submitted by: naj.pilla
Region: White County, Indiana, United States
Verified by: rogerdowner
Verified date: Oct 05, 2024
Observation date: Aug 31, 2024
Submitted by: Bob Jacobson
Region: Chippewa County, Wisconsin, United States
Verified by: Ilona L.
Verified date: Sep 04, 2024
Observation date: Aug 04, 2024
Submitted by: Thyger
Region: Washington County, Wisconsin, United States
Verified by: Ilona L.
Verified date: Aug 12, 2024
Observation date: May 25, 2024
Submitted by: RStankiewicz
Region: Ontario, Canada
Verified by: curtis.lehman
Verified date: May 26, 2024
Observation date: Jul 26, 2018
Submitted by: Cloobaby
Region: Oklahoma County, Oklahoma, United States
Verified by: curtis.lehman
Verified date: Mar 23, 2024
Observation date: Jun 05, 2020
Submitted by: hollyhoitink
Region: Winnebago County, Wisconsin, United States
Verified by: curtis.lehman
Verified date: Mar 11, 2024
Observation date: Jun 03, 2017
Submitted by: jeffmci9
Region: Texas, Travis County, United States
Verified by: curtis.lehman
Verified date: Mar 02, 2024
Observation date: Jul 20, 2021
Submitted by: Palmiera
Region: Socorro County, New Mexico, United States
Verified by: jwileyrains
Verified date: Jan 22, 2024
Observation date: Jul 24, 2023
Submitted by: naj.pilla
Region: Berrien County, Michigan, United States
Verified by: jwileyrains
Verified date: Nov 07, 2023
Observation date: Sep 15, 2023
Submitted by: Gordon Berman
Region: Doña Ana County, New Mexico, United States
Verified by: jwileyrains
Verified date: Sep 16, 2023
Observation date: Oct 24, 2021
Submitted by: jamesvonloh
Region: Doña Ana County, New Mexico, United States
Verified by: jwileyrains
Verified date: Sep 03, 2023
Observation date: Jul 01, 2023
Submitted by: KABerry
Region: Butler County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Jul 01, 2023
Observation date: Jun 28, 2023
Submitted by: Pheasantboy77
Region: Lincoln County, Minnesota, United States
Verified by: jmgesell
Verified date: Jul 01, 2023
Observation date: Aug 05, 2022
Submitted by: MarkSCitsay
Region: Washington County, Minnesota, United States
Verified by: Tom Middagh
Verified date: Mar 11, 2023
Observation date: May 26, 2022
Submitted by: alaimins
Region: DuPage County, Illinois, United States
Verified by: rogerdowner
Verified date: Feb 08, 2023
Observation date: Oct 03, 2022
Submitted by: Anne Wills
Region: Mason County, West Virginia, United States
Verified by: curtis.lehman
Verified date: Oct 12, 2022
Observation date: Sep 18, 2022
Submitted by: franpope
Region: Garrett County, Maryland, United States
Verified by: jwileyrains
Verified date: Sep 28, 2022
Observation date: Sep 04, 2022
Submitted by: catbirdcat
Region: Carroll County, Maryland, United States
Verified by: rogerdowner
Verified date: Sep 22, 2022
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