A Crowned Slug Moth in Washington Co., Maryland (7/12/2019).

View Record Details Photo by Mark Etheridge MBP List

A Crowned Slug Moth in Allegany Co., Maryland (7/18/2020).

View Record Details Photo by Jim Brighton MBP List

A Crowned Slug Moth in Baltimore Co., Maryland (7/13/2014).

Photo by Emily Stanley MBP List

Crowned Slug Moth in Howard Co., Maryland (7/25/2020). (c) Emilio Concari, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 199657 - Psn: 32)

Crowned Slug Moth in Howard Co., Maryland (7/25/2020). (c) Emilio Concari, some rights reserved (CC BY-NC).

View Record Details Photo by Emilio Concari MBP List

A Crowned Slug Moth in Frederick Co., Maryland (7/6/2015). Verified by Roger Downer/BAMONA.

View Record Details Photo by Mark Etheridge MBP List

A Crowned Slug Moth in Frederick Co., Maryland (7/10/2015).

View Record Details Photo by Mark Etheridge MBP List

A Crowned Slug Moth in Worcester Co., Maryland (7/23/2014).

View Record Details Photo by Scott Housten MBP List

A Crowned Slug Moth in Harford Co., Maryland (7/2/2020). Verified by Roger Downer/BAMONA.

View Record Details Photo by Dave Webb MBP List

Crowned Slug Moth in Howard Co., Maryland (7/25/2020). (c) Timothy Reichard, all rights reserved. (Photo ID: 202002 - Psn: 55)

View Record Details Photo by Timothy Reichard MBP List

Crowned Slug Moth in Frederick Co., Maryland (9/28/2019). (c) Mel, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 266964 - Psn: 55)

Crowned Slug Moth in Frederick Co., Maryland (9/28/2019). (c) Mel, some rights reserved (CC BY).

View Record Details Photo by Mel via iNaturalist MBP List

Crowned Slug Moth in Prince George's Co., Maryland (7/17/2015). (c) Hans Holbrook, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 200542 - Psn: 65)

Crowned Slug Moth in Prince George's Co., Maryland (7/17/2015). (c) Hans Holbrook, some rights reserved (CC BY-NC).

View Record Details Photo by Hans Holbrook MBP List

Crowned Slug Moth in Washington Co., Maryland (7/16/2021). (c) Mark Etheridge, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 416740 - Psn: 66)

Crowned Slug Moth in Washington Co., Maryland (7/16/2021). (c) Mark Etheridge, some rights reserved (CC BY-NC).

View Record Details Photo by Mark Etheridge MBP List

A Crowned Slug Moth in Frederick Co., Maryland (7/22/2019).

View Record Details Photo by Mark Etheridge MBP List

Crowned Slug Moth in Anne Arundel Co., Maryland (7/27/2020). (c) Timothy Reichard, all rights reserved. (Photo ID: 202685 - Psn: 76)

View Record Details Photo by Timothy Reichard MBP List

Crowned Slug Moth in Garrett Co., Maryland (7/19/2021). (c) Ashley Rodeheaver, all rights reserved. (Photo ID: 417294 - Psn: 76)

View Record Details Photo by Ashley Rodeheaver MBP List

Crowned Slug Moth in Garrett Co., Maryland (7/12/2014). (c) Hans Holbrook, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 863352 - Psn: 77)

Crowned Slug Moth in Garrett Co., Maryland (7/12/2014). (c) Hans Holbrook, some rights reserved (CC BY-NC).

View Record Details Photo by Hans Holbrook MBP List

A Crowned Slug Moth in Cecil Co., Maryland (7/15/2021).

View Record Details Photo by Dave Webb MBP List

A Crowned Slug Moth in Howard Co., Maryland (7/27/2003).

View Record Details Photo by Larry Line MBP List

Crowned Slug Moth in Garrett Co., Maryland (7/12/2014). (c) Hans Holbrook, some rights reserved (CC BY-NC).

View Record Details Photo by Hans Holbrook MBP List

Crowned Slug Moth caterpillars in Frederick Co., Maryland (9/28/2016).

View Record Details Photo by Bob Cammarata MBP List

A Crowned Slug Moth in Carroll Co., Maryland (9/25/2016).

View Record Details Photo by Bob Cammarata MBP List

A Crowned Slug Moth in Frederick Co., Maryland (9/13/2015).

View Record Details Photo by Richard Orr MBP List

A Crowned Slug Moth larva in Carroll Co., Maryland (9/18/2016).

View Record Details Photo by Anthony VanSchoor MBP List

A Crowned Slug Moth caterpillar from the mountains of North Carolina (10/2/2011).

Photo by Jim Petranka MBP List

A Crowned Slug Moth caterpillar in Frederick Co., Maryland (9/4/2013).

View Record Details Photo by Bob Cammarata MBP List

Crowned Slug Moth in Frederick Co., Maryland (9/4/2022). (c) Jim Moore (Maryland), some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 644807 - Psn: 112)

Crowned Slug Moth in Frederick Co., Maryland (9/4/2022). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC).

View Record Details Photo by Jim Moore MBP List

A Crowned Slug Moth larva in Washington Co., Maryland (9/26/2015).

View Record Details Photo by Mark Etheridge MBP List

Crowned Slug Moth in Montgomery Co., Maryland (10/6/2018). (c) aaronettazexplorewithme, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 200569 - Psn: 115)

Crowned Slug Moth in Montgomery Co., Maryland (10/6/2018). (c) aaronettazexplorewithme, some rights reserved (CC BY-NC).

View Record Details Photo by aaronettazexplorewithme via iNaturalist MBP List

A Crowned Slug Moth caterpillar in Prince George's Co., Maryland (10/8/2014).

View Record Details Photo by Mikey Lutmerding MBP List

Crowned Slug Moth in Charles Co., Maryland (10/2/2018). (c) Tim Emhoff, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 200571 - Psn: 120)

Crowned Slug Moth in Charles Co., Maryland (10/2/2018). (c) Tim Emhoff, some rights reserved (CC BY-NC).

View Record Details Photo by Tim Emhoff via iNaturalist MBP List

Crowned Slug Moth in Washington Co., Maryland (9/3/2021). (c) Mark Etheridge, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 441132 - Psn: 122)

Crowned Slug Moth in Washington Co., Maryland (9/3/2021). (c) Mark Etheridge, some rights reserved (CC BY-NC).

View Record Details Photo by Mark Etheridge MBP List

Crowned Slug Moth in Washington Co., Maryland (9/17/2021). (c) Mark Etheridge, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 452093 - Psn: 125)

Crowned Slug Moth in Washington Co., Maryland (9/17/2021). (c) Mark Etheridge, some rights reserved (CC BY-NC).

View Record Details Photo by Mark Etheridge MBP List

Crowned Slug Moth in Calvert Co., Maryland (10/19/2022). (c) ptlcruiser, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 679654 - Psn: 132)

Crowned Slug Moth in Calvert Co., Maryland (10/19/2022). (c) ptlcruiser, some rights reserved (CC BY-NC).

View Record Details Photo by ptlcruiser via iNaturalist MBP List

A Crowned Slug Moth caterpillar in Washington Co., Maryland (8/30/2020).

View Record Details Photo by Mark Etheridge MBP List

A Crowned Slug Moth caterpillar in Washington Co., Maryland (9/15/2020).

View Record Details Photo by Mark Etheridge MBP List

A Crowned Slug Moth caterpillar in Washington Co., Maryland (9/30/2020).

View Record Details Photo by Mark Etheridge MBP List

Crowned Slug Moth in Washington Co., Maryland (9/12/2021). (c) Mark Etheridge, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 448680 - Psn: 135)

Crowned Slug Moth in Washington Co., Maryland (9/12/2021). (c) Mark Etheridge, some rights reserved (CC BY-NC).

View Record Details Photo by Mark Etheridge MBP List

Crowned Slug Moth caterpillar in Howard Co., Maryland (9/10/2022).

View Record Details Photo by Jim Moore MBP List

Crowned Slug Moth in Washington Co., Maryland (9/3/2021). (c) Mark Etheridge, some rights reserved (CC BY-NC).

View Record Details Photo by Mark Etheridge MBP List

Crowned Slug Moth larva in Baltimore Co., Maryland (10/9/2021). (c) Matthew Beziat, some rights reserved (<a rel='license' href='https://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 702262 - Psn: 135)

Crowned Slug Moth larva in Baltimore Co., Maryland (10/9/2021). (c) Matthew Beziat, some rights reserved (CC BY-NC).

View Record Details Photo by Matthew Beziat MBP List

A Crowned Slug Moth caterpillar in Washington Co., Maryland (9/15/2020).

View Record Details Photo by Mark Etheridge MBP List

Crowned Slug Moth caterpillar in Abbeville Co., South Carolina (10/10/2012).

Photo by Kim Fleming MBP List

A Crowned Slug Moth in Harford Co., Maryland (10/2/2017).

View Record Details Photo by Shannon Schade MBP List

A Crowned Slug Moth caterpillar in Frederick Co., Maryland (9/9/2019).

View Record Details Photo by Bob Cammarata MBP List

A Crowned Slug Moth caterpillar in Washington Co., Maryland (9/6/2020).

View Record Details Photo by Mark Etheridge MBP List

Crowned Slug Moth in Prince George's Co., Maryland (7/17/2025). (c) John Klinovsky, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1306615 - Psn: 200)

Crowned Slug Moth in Prince George's Co., Maryland (7/17/2025). (c) John Klinovsky, some rights reserved (CC BY-NC).

View Record Details Photo by john4015 via iNaturalist MBP List

Crowned Slug Moth in Caroline Co., Maryland (7/27/2025). (c) Frode Jacobsen, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1318804 - Psn: 200)

Crowned Slug Moth in Caroline Co., Maryland (7/27/2025). (c) Frode Jacobsen, some rights reserved (CC BY-NC).

View Record Details Photo by Frode Jacobsen MBP List

Crowned Slug Moth in Allegany Co., Maryland (7/19/2025). (c) Frode Jacobsen, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1335528 - Psn: 200)

Crowned Slug Moth in Allegany Co., Maryland (7/19/2025). (c) Frode Jacobsen, some rights reserved (CC BY-NC).

View Record Details Photo by Frode Jacobsen MBP List

Crowned Slug Moth in Harford Co., Maryland (10/18/2025). (c) Slackerelf, some rights reserved (CC BY-NC)

View Record Details Photo by slackerelf via iNaturalist MBP List

Crowned Slug Moth in Montgomery Co., Maryland (10/9/2025). (c) johnsons628, some rights reserved (CC BY-NC)

View Record Details Photo by johnsons628 via iNaturalist MBP List

A Crowned Slug Moth caterpillar in Washington Co., Maryland (8/29/2018). Determined by John and Jane Balaban/BugGuide.

View Record Details Photo by Mark Etheridge MBP List

A Crowned Slug Moth in Harford Co., Maryland (9/21/2019).

View Record Details Photo by Dave Webb MBP List

Map Snapshot

242 Records

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

A Crowned Slug Moth in Washington Co., Maryland (7/12/2019). View Record Details Media by Mark Etheridge.

A Crowned Slug Moth in Allegany Co., Maryland (7/18/2020). View Record Details Media by Jim Brighton.

A Crowned Slug Moth in Baltimore Co., Maryland (7/13/2014). Media by Emily Stanley.

Crowned Slug Moth in Howard Co., Maryland (7/25/2020). (c) Emilio Concari, some rights reserved (CC BY-NC). View Record Details Media by Emilio Concari.

A Crowned Slug Moth in Frederick Co., Maryland (7/6/2015). Verified by Roger Downer/BAMONA. View Record Details Media by Mark Etheridge.

A Crowned Slug Moth in Frederick Co., Maryland (7/10/2015). View Record Details Media by Mark Etheridge.

A Crowned Slug Moth in Worcester Co., Maryland (7/23/2014). View Record Details Media by Scott Housten.

A Crowned Slug Moth in Harford Co., Maryland (7/2/2020). Verified by Roger Downer/BAMONA. View Record Details Media by Dave Webb.

Crowned Slug Moth in Frederick Co., Maryland (9/28/2019). (c) Mel, some rights reserved (CC BY). View Record Details Media by Mel via iNaturalist.

Crowned Slug Moth in Prince George's Co., Maryland (7/17/2015). (c) Hans Holbrook, some rights reserved (CC BY-NC). View Record Details Media by Hans Holbrook.

Crowned Slug Moth in Washington Co., Maryland (7/16/2021). (c) Mark Etheridge, some rights reserved (CC BY-NC). View Record Details Media by Mark Etheridge.

A Crowned Slug Moth in Frederick Co., Maryland (7/22/2019). View Record Details Media by Mark Etheridge.

Crowned Slug Moth in Garrett Co., Maryland (7/12/2014). (c) Hans Holbrook, some rights reserved (CC BY-NC). View Record Details Media by Hans Holbrook.

A Crowned Slug Moth in Cecil Co., Maryland (7/15/2021). View Record Details Media by Dave Webb.

A Crowned Slug Moth in Howard Co., Maryland (7/27/2003). View Record Details Media by Larry Line.

Crowned Slug Moth in Garrett Co., Maryland (7/12/2014). (c) Hans Holbrook, some rights reserved (CC BY-NC). View Record Details Media by Hans Holbrook.

Crowned Slug Moth caterpillars in Frederick Co., Maryland (9/28/2016). View Record Details Media by Bob Cammarata.

A Crowned Slug Moth in Carroll Co., Maryland (9/25/2016). View Record Details Media by Bob Cammarata.

A Crowned Slug Moth in Frederick Co., Maryland (9/13/2015). View Record Details Media by Richard Orr.

A Crowned Slug Moth larva in Carroll Co., Maryland (9/18/2016). View Record Details Media by Anthony VanSchoor.

A Crowned Slug Moth caterpillar from the mountains of North Carolina (10/2/2011). Media by Jim Petranka.

A Crowned Slug Moth caterpillar in Frederick Co., Maryland (9/4/2013). View Record Details Media by Bob Cammarata.

Crowned Slug Moth in Frederick Co., Maryland (9/4/2022). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC). View Record Details Media by Jim Moore.

A Crowned Slug Moth larva in Washington Co., Maryland (9/26/2015). View Record Details Media by Mark Etheridge.

Crowned Slug Moth in Montgomery Co., Maryland (10/6/2018). (c) aaronettazexplorewithme, some rights reserved (CC BY-NC). View Record Details Media by aaronettazexplorewithme via iNaturalist.

A Crowned Slug Moth caterpillar in Prince George's Co., Maryland (10/8/2014). View Record Details Media by Mikey Lutmerding.

Crowned Slug Moth in Charles Co., Maryland (10/2/2018). (c) Tim Emhoff, some rights reserved (CC BY-NC). View Record Details Media by Tim Emhoff via iNaturalist.

Crowned Slug Moth in Washington Co., Maryland (9/3/2021). (c) Mark Etheridge, some rights reserved (CC BY-NC). View Record Details Media by Mark Etheridge.

Crowned Slug Moth in Washington Co., Maryland (9/17/2021). (c) Mark Etheridge, some rights reserved (CC BY-NC). View Record Details Media by Mark Etheridge.

Crowned Slug Moth in Calvert Co., Maryland (10/19/2022). (c) ptlcruiser, some rights reserved (CC BY-NC). View Record Details Media by ptlcruiser via iNaturalist.

A Crowned Slug Moth caterpillar in Washington Co., Maryland (8/30/2020). View Record Details Media by Mark Etheridge.

A Crowned Slug Moth caterpillar in Washington Co., Maryland (9/15/2020). View Record Details Media by Mark Etheridge.

A Crowned Slug Moth caterpillar in Washington Co., Maryland (9/30/2020). View Record Details Media by Mark Etheridge.

Crowned Slug Moth in Washington Co., Maryland (9/12/2021). (c) Mark Etheridge, some rights reserved (CC BY-NC). View Record Details Media by Mark Etheridge.

Crowned Slug Moth caterpillar in Howard Co., Maryland (9/10/2022). View Record Details Media by Jim Moore.

Crowned Slug Moth in Washington Co., Maryland (9/3/2021). (c) Mark Etheridge, some rights reserved (CC BY-NC). View Record Details Media by Mark Etheridge.

Crowned Slug Moth larva in Baltimore Co., Maryland (10/9/2021). (c) Matthew Beziat, some rights reserved (CC BY-NC). View Record Details Media by Matthew Beziat.

A Crowned Slug Moth caterpillar in Washington Co., Maryland (9/15/2020). View Record Details Media by Mark Etheridge.

Crowned Slug Moth caterpillar in Abbeville Co., South Carolina (10/10/2012). Media by Kim Fleming.

A Crowned Slug Moth in Harford Co., Maryland (10/2/2017). View Record Details Media by Shannon Schade.

A Crowned Slug Moth caterpillar in Frederick Co., Maryland (9/9/2019). View Record Details Media by Bob Cammarata.

A Crowned Slug Moth caterpillar in Washington Co., Maryland (9/6/2020). View Record Details Media by Mark Etheridge.

Crowned Slug Moth in Prince George's Co., Maryland (7/17/2025). (c) John Klinovsky, some rights reserved (CC BY-NC). View Record Details Media by john4015 via iNaturalist.

Crowned Slug Moth in Caroline Co., Maryland (7/27/2025). (c) Frode Jacobsen, some rights reserved (CC BY-NC). View Record Details Media by Frode Jacobsen.

Crowned Slug Moth in Allegany Co., Maryland (7/19/2025). (c) Frode Jacobsen, some rights reserved (CC BY-NC). View Record Details Media by Frode Jacobsen.

Crowned Slug Moth in Harford Co., Maryland (10/18/2025). (c) Slackerelf, some rights reserved (CC BY-NC) View Record Details Media by slackerelf via iNaturalist.

Crowned Slug Moth in Montgomery Co., Maryland (10/9/2025). (c) johnsons628, some rights reserved (CC BY-NC) View Record Details Media by johnsons628 via iNaturalist.

A Crowned Slug Moth caterpillar in Washington Co., Maryland (8/29/2018). Determined by John and Jane Balaban/BugGuide. View Record Details Media by Mark Etheridge.

A Crowned Slug Moth in Harford Co., Maryland (9/21/2019). View Record Details Media by Dave Webb.