Dock Rustic
Resapamea passer (Guenée, 1852)
Family: Noctuidae
Subfamily: Amphipyrinae
Identification: Forewing pale to dark brown, sometimes reddish-brown; spots black; top of claviform spot thick and conspicuous; orbicular spot outline thin; reniform spot heavier but broken; lines inconspicuous, though PM and terminal lines partially edged with black; subterminal line orangish-brown, indistinct; hindwing pale grayish-brown with yellowish fringe
Wing Span: 3.0 - 4.1 cm
Life History: Two generations per year as far north as Ohio; one generation in Quebec and farther north.
Flight: May to October in the south, as far north as Ohio; June to August in Quebec and farther north.
Caterpillar Hosts: Llarvae bore in roots of dock (Rumex spp.)
Adult Food:
Habitat: Forest clearings and roadsides
Range: All of Canada, including the arctic, south in the east to New Jersey and Maryland, south in the west to Texas, Arizona, and California
Conservation:
NCGR:
Management Needs:
Comments: NULL
Taxonomy Notes: Resapamea passer: Includes as synonyms Resapamea virguncula [9390] and Resapamea morna [9392]. Formerly placed in the genus Luperina.
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Verified Sightings
Displaying 1 - 24 of 38 verified sightings
Observation date: May 29, 2026
Submitted by: cskipper
Region: Garrett County, Maryland, United States
Verified by: rogerdowner
Verified date: May 31, 2026
Observation date: Aug 24, 2025
Submitted by: bobscafe
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Nov 09, 2025
Observation date: Jun 27, 2024
Submitted by: bobscafe
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Dec 22, 2024
Observation date: Jul 16, 2023
Submitted by: one72guy
Region: Saskatchewan, Canada
Verified by: Tom Middagh
Verified date: Nov 26, 2023
Observation date: Jul 22, 2023
Submitted by: David Trently
Region: Luzerne County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Jul 26, 2023
Observation date: Jul 11, 2023
Submitted by: Dwaine Wagoner
Region: Natrona County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jul 13, 2023
Observation date: Aug 20, 2022
Submitted by: WYbutterflyer1
Region: Laramie County, Wyoming, United States
Verified by: J_Martineau
Verified date: Nov 15, 2022
Observation date: Aug 26, 2022
Submitted by: yardbird
Region: Burlington County, New Jersey, United States
Verified by: BarbSendelbach
Verified date: Aug 26, 2022
Observation date: Aug 29, 2021
Submitted by: rapids
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Mar 23, 2022
Observation date: Jul 05, 2016
Submitted by: Joe Saunders
Region: Mercer County, West Virginia, United States
Verified by: curtis.lehman
Verified date: Dec 27, 2021
Observation date: Aug 27, 2020
Submitted by: disteffv
Region: Berks County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Dec 27, 2021
Observation date: Jul 02, 2021
Submitted by: blueracer
Region: Ashland County, Ohio, United States
Verified by: Ohio97
Verified date: Jul 17, 2021
Observation date: Jun 01, 2020
Submitted by: K and G Campbell (Karen and Gary Campbell)
Region: Lehigh County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Jan 08, 2021
Observation date: Jun 27, 2020
Submitted by: J_Martineau
Region: Sheridan County, Wyoming, United States
Verified by: J_Martineau
Verified date: Dec 18, 2020
Observation date: Jul 30, 2011
Submitted by: Dwaine Wagoner
Region: Natrona County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jun 04, 2020
Observation date: Jul 12, 2017
Submitted by: curtis.lehman (Paul Dennehy)
Region: Montour County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Dec 08, 2018
Observation date: Jun 10, 2017
Submitted by: tomnix
Region: Tompkins County, New York, United States
Verified by: Sue Gregoire
Verified date: Jun 10, 2017
Observation date: Jun 01, 2017
Submitted by: Andy Wyatt
Region: York County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Jun 05, 2017
Observation date: May 14, 2017
Submitted by: Jim Eckert
Region: Berks County, Pennsylvania, United States
Verified by: Jim Eckert
Verified date: May 16, 2017
Observation date: Aug 30, 2016
Submitted by: curtis.lehman (John Fedak)
Region: McKean County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Aug 31, 2016
Observation date: Jun 23, 2014
Submitted by: Betsy Higgins
Region: Hampshire County, Massachusetts, United States
Verified by: rogerdowner
Verified date: Apr 03, 2016
Observation date: Jun 09, 1999
Submitted by: curtis.lehman (Steven Johnson)
Region: Dauphin County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Feb 02, 2016
Observation date: Aug 27, 1998
Submitted by: curtis.lehman (Steven Johnson)
Region: Northumberland County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Feb 02, 2016
Observation date: May 29, 2015
Submitted by: Sue Gregoire
Region: Schuyler County, New York, United States
Verified by: Sue Gregoire
Verified date: Dec 31, 2015
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