A Penitent Underwing Moth in Frederick Co., Maryland (9/5/2017).

View Record Details Photo by Mark Etheridge MBP List

Penitent Underwing Moth in Carroll Co., Maryland (9/8/2020). Determined by Roger Downer/BAMONA.

View Record Details Photo by Barbara Speckart MBP List

A Penitent Underwing Moth in Anne Arundel Co., Maryland (8/18/2016). Verified by Roger Downer/BAMONA.

View Record Details Photo by Robert Aguilar, SERC MBP List

A Penitent Underwing Moth in Harford Co., Maryland (10/12/2017).

View Record Details Photo by Josh Emm MBP List

A Penitent Underwing Moth in Dorchester Co., Maryland (8/8/2014).

View Record Details Photo by Jonathan Willey MBP List

A Penitent Underwing Moth in Harford Co., Maryland (10/3/2017).

View Record Details Photo by Josh Emm MBP List

A Penitent Underwing Moth in Caroline Co., Maryland (8/14/2013).

View Record Details Photo by Scott Housten MBP List

A Penitent Underwing Moth in Calvert Co., Maryland (8/28/2018).

View Record Details Photo by Tyler Bell MBP List

A Penitent Underwing Moth in Frederick Co., Maryland (8/28/2018).

View Record Details Photo by Mark Etheridge MBP List

A Penitent Underwing Moth in Frederick Co., Maryland (7/27/2017).

View Record Details Photo by Mark Etheridge MBP List

A Penitent Underwing Moth in Anne Arundel Co., Maryland (9/12/2014). Determined by Jason D. Roberts/BugGuide.

View Record Details Photo by Lynn Strauss MBP List

A Penitent Underwing Moth in Baltimore City, Maryland (8/24/2019).

View Record Details Photo by Peter Griffith MBP List

Penitent Underwing Moth in Baltimore Co., Maryland (9/23/2020). (c) Frode Jacobsen, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1152553 - Psn: 45)

Penitent Underwing Moth in Baltimore Co., Maryland (9/23/2020). (c) Frode Jacobsen, some rights reserved (CC BY-NC).

View Record Details Photo by Frode Jacobsen MBP List

A Penitent Underwing Moth in Somerset Co., Maryland (7/27/2004). Confirmed by Dale F. Schweitzer.

View Record Details Photo by Lance Biechele MBP List

A Penitent Underwing Moth in Anne Arundel Co., Maryland (9/18/2018).

View Record Details Photo by Lynn Strauss MBP List

Penitent Underwing Moth in Prince George's Co., Maryland (9/13/2020). (c) Sam Droege, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 225812 - Psn: 55)

Penitent Underwing Moth in Prince George's Co., Maryland (9/13/2020). (c) Sam Droege, some rights reserved (CC BY).

View Record Details Photo by Sam Droege MBP List

Penitent Underwing Moth in Anne Arundel Co., Maryland (9/25/2022). (c) Timothy Reichard, all rights reserved. (Photo ID: 664900 - Psn: 55)

View Record Details Photo by Timothy Reichard MBP List

A Penitent Underwing Moth in Prince George's Co., Maryland (8/28/2014). Verified by Jason D. Roberts/BugGuide.

View Record Details Photo by Jesse Christopherson MBP List

Penitent Underwing Moth in Allegany Co., Maryland (9/3/2019). (c) Kayleigh Parsons, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 265810 - Psn: 65)

Penitent Underwing Moth in Allegany Co., Maryland (9/3/2019). (c) Kayleigh Parsons, some rights reserved (CC BY-NC).

View Record Details Photo by Kayleigh Parsons via iNaturalist MBP List

Penitent Underwing Moth in Baltimore Co., Maryland (10/11/2021). (c) Jesse C., some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 465360 - Psn: 66)

Penitent Underwing Moth in Baltimore Co., Maryland (10/11/2021). (c) Jesse C., some rights reserved (CC BY-NC).

View Record Details Photo by jesse via iNaturalist MBP List

Penitent Underwing Moth in Montgomery Co., Maryland (9/11/2023). (c) belby, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 887063 - Psn: 66)

Penitent Underwing Moth in Montgomery Co., Maryland (9/11/2023). (c) belby, some rights reserved (CC BY-NC).

View Record Details Photo by Bonnie Bell MBP List

A Penitent Underwing Moth in Howard Co., Maryland (9/4/2000). Verified by John Glaser.

View Record Details Photo by Nancy Magnusson MBP List

Penitent Underwing Moth in Anne Arundel Co., Maryland (8/21/2022). (c) Dan Haas, all rights reserved. (Photo ID: 630031 - Psn: 75)

View Record Details Photo by Dan Haas MBP List

Penitent Underwing Moth in Baltimore Co., Maryland (9/16/2020). (c) Lexin, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc-nd/4.0/'>CC BY-NC-ND</a>). (Photo ID: 218373 - Psn: 76)

Penitent Underwing Moth in Baltimore Co., Maryland (9/16/2020). (c) Lexin, some rights reserved (CC BY-NC-ND).

View Record Details Photo by Lexin via iNaturalist MBP List

Penitent Underwing Moth in Montgomery Co., Maryland (9/24/2023). (c) Stella Tea, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 893675 - Psn: 76)

Penitent Underwing Moth in Montgomery Co., Maryland (9/24/2023). (c) Stella Tea, some rights reserved (CC BY-NC).

View Record Details Photo by Stella Tea (stazandgazer) via iNaturalist MBP List

Penitent Underwing Moth in Baltimore Co., Maryland (10/13/2021). (c) Frode Jacobsen, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 510885 - Psn: 78)

Penitent Underwing Moth in Baltimore Co., Maryland (10/13/2021). (c) Frode Jacobsen, some rights reserved (CC BY-NC).

View Record Details Photo by Frode Jacobsen MBP List

Penitent Underwing Moth in Frederick Co., Maryland (8/13/2021). (c) Timothy Reichard, all rights reserved. (Photo ID: 453607 - Psn: 88)

View Record Details Photo by Timothy Reichard MBP List

A Penitent Underwing Moth in Prince George's Co., Maryland (9/6/2007).

View Record Details Photo by Bob Patterson MBP List

A Penitent Underwing Moth in Howard Co., Maryland (9/1/2005).

View Record Details Photo by Larry Line MBP List

A Penitent Underwing Moth in Howard Co., Maryland (9/1/2005).

View Record Details Photo by Larry Line MBP List

A Penitent Underwing Moth collected in Frederick Co., Maryland (9/4/2001). Verified by Roger Downer/BAMONA.

View Record Details Photo by Mark Etheridge MBP List

Penitent Underwing Moth in Frederick Co., Maryland (10/22/2020). (c) Debbie, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 249994 - Psn: 155)

Penitent Underwing Moth in Frederick Co., Maryland (10/22/2020). (c) Debbie, some rights reserved (CC BY-NC).

View Record Details Photo by Debbie via iNaturalist MBP List

Penitent Underwing Moth in Anne Arundel Co., Maryland (8/27/2021). (c) Allison Burnett, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 437766 - Psn: 200)

Penitent Underwing Moth in Anne Arundel Co., Maryland (8/27/2021). (c) Allison Burnett, some rights reserved (CC BY-NC).

View Record Details Photo by Allison Burnett via iNaturalist MBP List

Penitent Underwing Moth in Carroll Co., Maryland (8/29/2025). (c) carolbob, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1338798 - Psn: 200)

Penitent Underwing Moth in Carroll Co., Maryland (8/29/2025). (c) carolbob, some rights reserved (CC BY-NC).

View Record Details Photo by carolbob via iNaturalist MBP List

Map Snapshot

221 Records

GA AL WA FR CL MO HO BA BC HA CE PG AA CV CH SM KE QA CN TA DO WI SO WO

Relationships

Host plants include Black Walnut, Butternut, (Database of the World's Lepidopteran Hostplants).

Seasonality Summary

No filters. Click here to explore and apply filters.

Resources

View at iNaturalist Search Google Images Search MBP Facebook posts

View images at BugGuide View in Moth Photographers Group

Citations

No citations linked for this taxon yet.

Use of media featured on Maryland Biodiversity Project is only permitted with express permission of the photographer.

A Penitent Underwing Moth in Frederick Co., Maryland (9/5/2017). View Record Details Media by Mark Etheridge.

Penitent Underwing Moth in Carroll Co., Maryland (9/8/2020). Determined by Roger Downer/BAMONA. View Record Details Media by Barbara Speckart.

A Penitent Underwing Moth in Anne Arundel Co., Maryland (8/18/2016). Verified by Roger Downer/BAMONA. View Record Details Media by Robert Aguilar, SERC.

A Penitent Underwing Moth in Harford Co., Maryland (10/12/2017). View Record Details Media by Josh Emm.

A Penitent Underwing Moth in Dorchester Co., Maryland (8/8/2014). View Record Details Media by Jonathan Willey.

A Penitent Underwing Moth in Harford Co., Maryland (10/3/2017). View Record Details Media by Josh Emm.

A Penitent Underwing Moth in Caroline Co., Maryland (8/14/2013). View Record Details Media by Scott Housten.

A Penitent Underwing Moth in Calvert Co., Maryland (8/28/2018). View Record Details Media by Tyler Bell.

A Penitent Underwing Moth in Frederick Co., Maryland (8/28/2018). View Record Details Media by Mark Etheridge.

A Penitent Underwing Moth in Frederick Co., Maryland (7/27/2017). View Record Details Media by Mark Etheridge.

A Penitent Underwing Moth in Anne Arundel Co., Maryland (9/12/2014). Determined by Jason D. Roberts/BugGuide. View Record Details Media by Lynn Strauss.

A Penitent Underwing Moth in Baltimore City, Maryland (8/24/2019). View Record Details Media by Peter Griffith.

Penitent Underwing Moth in Baltimore Co., Maryland (9/23/2020). (c) Frode Jacobsen, some rights reserved (CC BY-NC). View Record Details Media by Frode Jacobsen.

A Penitent Underwing Moth in Somerset Co., Maryland (7/27/2004). Confirmed by Dale F. Schweitzer. View Record Details Media by Lance Biechele.

A Penitent Underwing Moth in Anne Arundel Co., Maryland (9/18/2018). View Record Details Media by Lynn Strauss.

Penitent Underwing Moth in Prince George's Co., Maryland (9/13/2020). (c) Sam Droege, some rights reserved (CC BY). View Record Details Media by Sam Droege.

A Penitent Underwing Moth in Prince George's Co., Maryland (8/28/2014). Verified by Jason D. Roberts/BugGuide. View Record Details Media by Jesse Christopherson.

Penitent Underwing Moth in Allegany Co., Maryland (9/3/2019). (c) Kayleigh Parsons, some rights reserved (CC BY-NC). View Record Details Media by Kayleigh Parsons via iNaturalist.

Penitent Underwing Moth in Baltimore Co., Maryland (10/11/2021). (c) Jesse C., some rights reserved (CC BY-NC). View Record Details Media by jesse via iNaturalist.

Penitent Underwing Moth in Montgomery Co., Maryland (9/11/2023). (c) belby, some rights reserved (CC BY-NC). View Record Details Media by Bonnie Bell.

A Penitent Underwing Moth in Howard Co., Maryland (9/4/2000). Verified by John Glaser. View Record Details Media by Nancy Magnusson.

Penitent Underwing Moth in Baltimore Co., Maryland (9/16/2020). (c) Lexin, some rights reserved (CC BY-NC-ND). View Record Details Media by Lexin via iNaturalist.

Penitent Underwing Moth in Montgomery Co., Maryland (9/24/2023). (c) Stella Tea, some rights reserved (CC BY-NC). View Record Details Media by Stella Tea (stazandgazer) via iNaturalist.

Penitent Underwing Moth in Baltimore Co., Maryland (10/13/2021). (c) Frode Jacobsen, some rights reserved (CC BY-NC). View Record Details Media by Frode Jacobsen.

A Penitent Underwing Moth in Prince George's Co., Maryland (9/6/2007). View Record Details Media by Bob Patterson.

A Penitent Underwing Moth in Howard Co., Maryland (9/1/2005). View Record Details Media by Larry Line.

A Penitent Underwing Moth collected in Frederick Co., Maryland (9/4/2001). Verified by Roger Downer/BAMONA. View Record Details Media by Mark Etheridge.

Penitent Underwing Moth in Frederick Co., Maryland (10/22/2020). (c) Debbie, some rights reserved (CC BY-NC). View Record Details Media by Debbie via iNaturalist.

Penitent Underwing Moth in Anne Arundel Co., Maryland (8/27/2021). (c) Allison Burnett, some rights reserved (CC BY-NC). View Record Details Media by Allison Burnett via iNaturalist.

Penitent Underwing Moth in Carroll Co., Maryland (8/29/2025). (c) carolbob, some rights reserved (CC BY-NC). View Record Details Media by carolbob via iNaturalist.