An Arrowhead Borer in Dorchester Co., Maryland (7/8/2018).

View Record Details Photo by Mark Etheridge MBP List

Arrowhead Borer in Carroll Co., Maryland (7/18/2023). Determined by V. Belov/BugGuide.

View Record Details Photo by Barbara Speckart MBP List

An Arrowhead Borer in Frederick Co., Maryland (7/27/2018).

View Record Details Photo by Mark Etheridge MBP List

Arrowhead Borer in Caroline Co., Maryland (10/6/2023). (c) Mark Etheridge, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 918667 - Psn: 44)

Arrowhead Borer in Caroline Co., Maryland (10/6/2023). (c) Mark Etheridge, some rights reserved (CC BY-NC).

View Record Details Photo by Mark Etheridge MBP List

An Arrowhead Borer in Dorchester Co., Maryland (8/31/2017). Determined by V. Belov/BugGuide.

View Record Details Photo by Mark Etheridge MBP List

Arrowhead Borer in Prince George's Co., Maryland (7/3/2020). (c) Hans Holbrook, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 361858 - Psn: 55)

Arrowhead Borer in Prince George's Co., Maryland (7/3/2020). (c) Hans Holbrook, some rights reserved (CC BY-NC).

View Record Details Photo by Hans Holbrook MBP List

Arrowhead Borer in Somerset Co., Maryland (7/23/2022). (c) Jim Brighton, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 611383 - Psn: 55)

Arrowhead Borer in Somerset Co., Maryland (7/23/2022). (c) Jim Brighton, some rights reserved (CC BY-NC).

View Record Details Photo by Jim Brighton MBP List

Arrowhead Borer in Prince George's Co., Maryland (6/23/2020). (c) Hans Holbrook, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 183213 - Psn: 65)

Arrowhead Borer in Prince George's Co., Maryland (6/23/2020). (c) Hans Holbrook, some rights reserved (CC BY-NC).

View Record Details Photo by Hans Holbrook MBP List

A female Arrowhead Borer in Queen Anne's Co., Maryland (7/28/2024).

View Record Details Photo by Dave Webb MBP List

Arrowhead Borer in Washington Co., Maryland (7/28/2023). (c) Mark Etheridge, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 857482 - Psn: 66)

Arrowhead Borer in Washington Co., Maryland (7/28/2023). (c) Mark Etheridge, some rights reserved (CC BY-NC).

View Record Details Photo by Mark Etheridge MBP List

Arrowhead Borer in Prince George's Co., Maryland (7/2/2020). (c) Hans Holbrook, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 181568 - Psn: 75)

Arrowhead Borer in Prince George's Co., Maryland (7/2/2020). (c) Hans Holbrook, some rights reserved (CC BY-NC).

View Record Details Photo by Hans Holbrook MBP List

Arrowhead Borer in Washington Co., Maryland (8/4/2023). (c) Mark Etheridge, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 860904 - Psn: 77)

Arrowhead Borer in Washington Co., Maryland (8/4/2023). (c) Mark Etheridge, some rights reserved (CC BY-NC).

View Record Details Photo by Mark Etheridge MBP List

Arrowhead Borer in Anne Arundel Co., Maryland (8/11/2020). (c) Timothy Reichard, all rights reserved. (Photo ID: 311280 - Psn: 88)

View Record Details Photo by Timothy Reichard MBP List

Arrowhead Borer in Prince George's Co., Maryland (7/5/2024). (c) Julie Stella, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1216695 - Psn: 88)

Arrowhead Borer in Prince George's Co., Maryland (7/5/2024). (c) Julie Stella, some rights reserved (CC BY-NC).

View Record Details Photo by Julie Stella via iNaturalist MBP List

An Arrowhead Borer in Dorchester Co., Maryland (7/3/2017). Determined by V. Belov/BugGuide.

View Record Details Photo by Jonathan Willey MBP List

Arrowhead Borer in Prince George's Co., Maryland (7/10/2020). (c) Hans Holbrook, some rights reserved (CC BY-NC)

View Record Details Photo by Hans Holbrook MBP List

Arrowhead Borer in Baltimore Co., Maryland (7/13/2024). (c) Jesse C., some rights reserved (CC BY-NC)

View Record Details Photo by Jesse C. via iNaturalist MBP List

Arrowhead Borer in Prince George's Co., Maryland (7/18/2025). (c) Hannah Girgente, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>) (Photo ID: 1484639 - Psn: 200)

Arrowhead Borer in Prince George's Co., Maryland (7/18/2025). (c) Hannah Girgente, some rights reserved (CC BY-NC)

View Record Details Photo by Hannah Girgente via iNaturalist MBP List

Map Snapshot

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

An Arrowhead Borer in Dorchester Co., Maryland (7/8/2018). View Record Details Media by Mark Etheridge.

Arrowhead Borer in Carroll Co., Maryland (7/18/2023). Determined by V. Belov/BugGuide. View Record Details Media by Barbara Speckart.

An Arrowhead Borer in Frederick Co., Maryland (7/27/2018). View Record Details Media by Mark Etheridge.

Arrowhead Borer in Caroline Co., Maryland (10/6/2023). (c) Mark Etheridge, some rights reserved (CC BY-NC). View Record Details Media by Mark Etheridge.

An Arrowhead Borer in Dorchester Co., Maryland (8/31/2017). Determined by V. Belov/BugGuide. View Record Details Media by Mark Etheridge.

Arrowhead Borer in Prince George's Co., Maryland (7/3/2020). (c) Hans Holbrook, some rights reserved (CC BY-NC). View Record Details Media by Hans Holbrook.

Arrowhead Borer in Somerset Co., Maryland (7/23/2022). (c) Jim Brighton, some rights reserved (CC BY-NC). View Record Details Media by Jim Brighton.

Arrowhead Borer in Prince George's Co., Maryland (6/23/2020). (c) Hans Holbrook, some rights reserved (CC BY-NC). View Record Details Media by Hans Holbrook.

A female Arrowhead Borer in Queen Anne's Co., Maryland (7/28/2024). View Record Details Media by Dave Webb.

Arrowhead Borer in Washington Co., Maryland (7/28/2023). (c) Mark Etheridge, some rights reserved (CC BY-NC). View Record Details Media by Mark Etheridge.

Arrowhead Borer in Prince George's Co., Maryland (7/2/2020). (c) Hans Holbrook, some rights reserved (CC BY-NC). View Record Details Media by Hans Holbrook.

Arrowhead Borer in Washington Co., Maryland (8/4/2023). (c) Mark Etheridge, some rights reserved (CC BY-NC). View Record Details Media by Mark Etheridge.

Arrowhead Borer in Prince George's Co., Maryland (7/5/2024). (c) Julie Stella, some rights reserved (CC BY-NC). View Record Details Media by Julie Stella via iNaturalist.

An Arrowhead Borer in Dorchester Co., Maryland (7/3/2017). Determined by V. Belov/BugGuide. View Record Details Media by Jonathan Willey.

Arrowhead Borer in Prince George's Co., Maryland (7/10/2020). (c) Hans Holbrook, some rights reserved (CC BY-NC) View Record Details Media by Hans Holbrook.

Arrowhead Borer in Baltimore Co., Maryland (7/13/2024). (c) Jesse C., some rights reserved (CC BY-NC) View Record Details Media by Jesse C. via iNaturalist.

Arrowhead Borer in Prince George's Co., Maryland (7/18/2025). (c) Hannah Girgente, some rights reserved (CC BY-NC) View Record Details Media by Hannah Girgente via iNaturalist.