A Horned Spanworm Moth in Kent Co., Maryland (6/6/2014).

View Record Details Photo by Mike Burchett MBP List

A Horned Spanworm Moth in Worcester Co., Maryland (5/9/2014).

View Record Details Photo by Scott Housten MBP List

A Horned Spanworm Moth in Worcester Co., Maryland (6/10/2013).

View Record Details Photo by Scott Housten MBP List

A Horned Spanworm Moth in Baltimore Co., Maryland (6/6/2021). Determined by Bob Biagi/BugGuide.

View Record Details Photo by Richard Crook MBP List

A Horned Spanworm Moth in Caroline Co., Maryland (8/14/2013).

View Record Details Photo by Scott Housten MBP List

A Horned Spanworm Moth in Worcester Co., Maryland (7/15/2013).

View Record Details Photo by Scott Housten MBP List

A Horned Spanworm Moth in Worcester Co., Maryland (6/11/2013).

View Record Details Photo by Mike Burchett MBP List

A Horned Spanworm Moth in Howard Co., Maryland (6/15/2018). Verified by Roger Downer/BAMONA.

View Record Details Photo by Kurt Schwarz MBP List

A Horned Spanworm Moth in Anne Arundel Co., Maryland (6/6/2015).

View Record Details Photo by Robert Aguilar, SERC MBP List

A Horned Spanworm Moth in Prince George's Co., Maryland (5/24/2004).

View Record Details Photo by Bob Patterson MBP List

A Horned Spanworm Moth in Kent Co., Maryland (6/6/2014).

View Record Details Photo by Jim Brighton MBP List

A Horned Spanworm Moth collected by John Glaser.

View Record Details Photo by Larry Line MBP List

A Horned Spanworm Moth collected in Frederick Co., Maryland (6/9/2001).

View Record Details Photo by Mark Etheridge MBP List

A Horned Spanworm in Howard Co., Maryland (7/5/2016).

View Record Details Photo by Bonnie Ott MBP List

A Horned Spanworm in Montgomery Co., Maryland (5/23/2016).

View Record Details Photo by Steve Scholnick MBP List

Horned Spanworm Moth in Allegany Co., Maryland (6/2/2023). (c) solomon hendrix, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 817929 - Psn: 200)

Horned Spanworm Moth in Allegany Co., Maryland (6/2/2023). (c) solomon hendrix, some rights reserved (CC BY-NC).

View Record Details Photo by Solomon Hendrix MBP List

Horned Spanworm Moth in Garrett Co., Maryland (8/22/2025). (c) Mike Mosser, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1333316 - Psn: 200)

Horned Spanworm Moth in Garrett Co., Maryland (8/22/2025). (c) Mike Mosser, some rights reserved (CC BY-NC).

View Record Details Photo by Mike Mosser via iNaturalist MBP List

Horned Spanworm Moth in Dorchester Co., Maryland (5/9/2026). (c) matt whitbeck, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>) (Photo ID: 1504296 - Psn: 200)

Horned Spanworm Moth in Dorchester Co., Maryland (5/9/2026). (c) matt whitbeck, some rights reserved (CC BY-NC)

View Record Details Photo by matt_whitbeck via iNaturalist MBP List

Horned Spanworm Moth in Dorchester Co., Maryland (5/30/2026). (c) Holly Keepers, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>) (Photo ID: 1515419 - Psn: 200)

Horned Spanworm Moth in Dorchester Co., Maryland (5/30/2026). (c) Holly Keepers, some rights reserved (CC BY-NC)

View Record Details Photo by Holly Keepers via iNaturalist MBP List

Horned Spanworm Moth in Dorchester Co., Maryland (5/30/2026). (c) Holly Keepers, some rights reserved (CC BY-NC)

View Record Details Photo by Holly Keepers via iNaturalist MBP List

Map Snapshot

220 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

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Resources

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

A Horned Spanworm Moth in Kent Co., Maryland (6/6/2014). View Record Details Media by Mike Burchett.

A Horned Spanworm Moth in Worcester Co., Maryland (5/9/2014). View Record Details Media by Scott Housten.

A Horned Spanworm Moth in Worcester Co., Maryland (6/10/2013). View Record Details Media by Scott Housten.

A Horned Spanworm Moth in Baltimore Co., Maryland (6/6/2021). Determined by Bob Biagi/BugGuide. View Record Details Media by Richard Crook.

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

A Horned Spanworm Moth in Worcester Co., Maryland (7/15/2013). View Record Details Media by Scott Housten.

A Horned Spanworm Moth in Worcester Co., Maryland (6/11/2013). View Record Details Media by Mike Burchett.

A Horned Spanworm Moth in Howard Co., Maryland (6/15/2018). Verified by Roger Downer/BAMONA. View Record Details Media by Kurt Schwarz.

A Horned Spanworm Moth in Anne Arundel Co., Maryland (6/6/2015). View Record Details Media by Robert Aguilar, SERC.

A Horned Spanworm Moth in Prince George's Co., Maryland (5/24/2004). View Record Details Media by Bob Patterson.

A Horned Spanworm Moth in Kent Co., Maryland (6/6/2014). View Record Details Media by Jim Brighton.

A Horned Spanworm Moth collected by John Glaser. View Record Details Media by Larry Line.

A Horned Spanworm Moth collected in Frederick Co., Maryland (6/9/2001). View Record Details Media by Mark Etheridge.

A Horned Spanworm in Howard Co., Maryland (7/5/2016). View Record Details Media by Bonnie Ott.

A Horned Spanworm in Montgomery Co., Maryland (5/23/2016). View Record Details Media by Steve Scholnick.

Horned Spanworm Moth in Allegany Co., Maryland (6/2/2023). (c) solomon hendrix, some rights reserved (CC BY-NC). View Record Details Media by Solomon Hendrix.

Horned Spanworm Moth in Garrett Co., Maryland (8/22/2025). (c) Mike Mosser, some rights reserved (CC BY-NC). View Record Details Media by Mike Mosser via iNaturalist.

Horned Spanworm Moth in Dorchester Co., Maryland (5/9/2026). (c) matt whitbeck, some rights reserved (CC BY-NC) View Record Details Media by matt_whitbeck via iNaturalist.

Horned Spanworm Moth in Dorchester Co., Maryland (5/30/2026). (c) Holly Keepers, some rights reserved (CC BY-NC) View Record Details Media by Holly Keepers via iNaturalist.