An Ivory-marked Beetle in Howard Co., Maryland (7/22/2013).

Photo by Bonnie Ott MBP List

An Ivory-marked Beetle in Harford Co., Maryland (7/10/2017).

View Record Details Photo by John Rinker MBP List

An Ivory-marked Beetle in Dorchester Co., Maryland (8/20/2015).

View Record Details Photo by Jonathan Willey MBP List

An Ivory-marked Beetle in Cecil Co., Maryland (7/21/2019).

View Record Details Photo by Shannon Schade MBP List

An Ivory-marked Beetle in Washington Co., Maryland (7/10/2019).

View Record Details Photo by Mark Etheridge MBP List

An Ivory-marked Beetle in Cecil Co., Maryland (8/18/2014).

View Record Details Photo by Shannon Schade MBP List

An Ivory-marked Beetle in Frederick Co., Maryland (7/26/2017).

View Record Details Photo by Bob Cammarata MBP List

An Ivory-marked Beetle in Cecil Co., Maryland (8/5/2021).

View Record Details Photo by Dave Webb MBP List

An Ivory-marked Beetle in Anne Arundel Co., Maryland (7/16/2016).

View Record Details Photo by Robert Aguilar, SERC MBP List

An Ivory-marked Beetle in Prince George's Co., Maryland (7/3/2017).

View Record Details Photo by Robert Aguilar, SERC MBP List

An Ivory-marked Beetle in Harford Co., Maryland (7/29/2018).

View Record Details Photo by Dave Webb MBP List

Ivory-marked Beetle in Prince George's Co., Maryland (7/26/2020). (c) Hans Holbrook, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 197281 - Psn: 55)

Ivory-marked Beetle in Prince George's Co., Maryland (7/26/2020). (c) Hans Holbrook, some rights reserved (CC BY-NC).

View Record Details Photo by Hans Holbrook MBP List

Ivory-marked Beetle in Anne Arundel Co., Maryland (7/12/2020). (c) Sergei Drovetski, all rights reserved. (Photo ID: 299737 - Psn: 55)

View Record Details Photo by Sergei Drovetski MBP List

Ivory-marked Beetle in Washington Co., Maryland (7/28/2006). (c) Hans Holbrook, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 399773 - Psn: 55)

Ivory-marked Beetle in Washington Co., Maryland (7/28/2006). (c) Hans Holbrook, some rights reserved (CC BY-NC).

View Record Details Photo by Hans Holbrook MBP List

Ivory-marked Beetle in Baltimore Co., Maryland (7/14/2019). (c) wendyjalexander, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc-nd/4.0/'>CC BY-NC-ND</a>). (Photo ID: 400703 - Psn: 55)

Ivory-marked Beetle in Baltimore Co., Maryland (7/14/2019). (c) wendyjalexander, some rights reserved (CC BY-NC-ND).

View Record Details Photo by Wendy Alexander MBP List

Ivory-marked Beetle in Kent Co., Maryland (7/28/2020). (c) pcowartrickmanphoto, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 199094 - Psn: 62)

Ivory-marked Beetle in Kent Co., Maryland (7/28/2020). (c) pcowartrickmanphoto, some rights reserved (CC BY-NC).

View Record Details Photo by Pamela Cowart-Rickman MBP List

An Ivory-marked Beetle in Washington Co., Maryland (7/28/2006).

Photo by Hans Holbrook MBP List

Ivory-marked Beetle in Anne Arundel Co., Maryland (7/18/2020). (c) Sergei Drovetski, all rights reserved. (Photo ID: 300183 - Psn: 65)

View Record Details Photo by Sergei Drovetski MBP List

Ivory-marked Beetle in Harford Co., Maryland (7/5/2018). (c) Josh Emm, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 685975 - Psn: 65)

Ivory-marked Beetle in Harford Co., Maryland (7/5/2018). (c) Josh Emm, some rights reserved (CC BY-NC).

View Record Details Photo by Josh Emm MBP List

Ivory-marked Beetle in Dorchester Co., Maryland (8/6/2021). (c) Jim Brighton, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 431288 - Psn: 66)

Ivory-marked Beetle in Dorchester Co., Maryland (8/6/2021). (c) Jim Brighton, some rights reserved (CC BY-NC).

View Record Details Photo by Jim Brighton MBP List

An Ivory-marked Beetle in Talbot Co., Maryland (8/2/2013).

View Record Details Photo by Jared Satchell MBP List

Ivory-marked Beetle in Howard Co., Maryland (7/27/2019). (c) Timothy Reichard, all rights reserved. (Photo ID: 1216128 - Psn: 78)

View Record Details Photo by Timothy Reichard MBP List

An Ivory-marked Beetle in Harford Co., Maryland (7/20/2019).

View Record Details Photo by Dave Webb MBP List

Ivory-marked Beetle in Howard Co., Maryland (7/5/2023). (c) naturekratt, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 841189 - Psn: 88)

Ivory-marked Beetle in Howard Co., Maryland (7/5/2023). (c) naturekratt, some rights reserved (CC BY-NC).

View Record Details Photo by naturekratt via iNaturalist MBP List

Ivory-marked Beetle in Frederick Co., Maryland (7/18/2025). (c) Daniel Hinnebusch, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1307062 - Psn: 200)

Ivory-marked Beetle in Frederick Co., Maryland (7/18/2025). (c) Daniel Hinnebusch, some rights reserved (CC BY-NC).

View Record Details Photo by osprey1984 via iNaturalist MBP List

Ivory-marked Beetle in Calvert Co., Maryland (7/23/2025). (c) Tonyia Johnson Stump, some rights reserved (CC BY-NC)

View Record Details Photo by Tonyia Johnson Stump via iNaturalist MBP List

Map Snapshot

242 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

Status

Found in deciduous forests of the central and eastern U.S. Adults are active in the summer months and are attracted to lights. There are records of adults emerging from furniture after 10 to 40 years!

Description

Compare similar members of genus.

Relationships

Larvae burrow into a variety of hardwoods.

Seasonality Summary

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Resources

View at iNaturalist Search Google Images Search MBP Facebook posts

View images at BugGuide

Citations

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

An Ivory-marked Beetle in Howard Co., Maryland (7/22/2013). Media by Bonnie Ott.

An Ivory-marked Beetle in Harford Co., Maryland (7/10/2017). View Record Details Media by John Rinker.

An Ivory-marked Beetle in Dorchester Co., Maryland (8/20/2015). View Record Details Media by Jonathan Willey.

An Ivory-marked Beetle in Cecil Co., Maryland (7/21/2019). View Record Details Media by Shannon Schade.

An Ivory-marked Beetle in Washington Co., Maryland (7/10/2019). View Record Details Media by Mark Etheridge.

An Ivory-marked Beetle in Cecil Co., Maryland (8/18/2014). View Record Details Media by Shannon Schade.

An Ivory-marked Beetle in Frederick Co., Maryland (7/26/2017). View Record Details Media by Bob Cammarata.

An Ivory-marked Beetle in Cecil Co., Maryland (8/5/2021). View Record Details Media by Dave Webb.

An Ivory-marked Beetle in Anne Arundel Co., Maryland (7/16/2016). View Record Details Media by Robert Aguilar, SERC.

An Ivory-marked Beetle in Prince George's Co., Maryland (7/3/2017). View Record Details Media by Robert Aguilar, SERC.

An Ivory-marked Beetle in Harford Co., Maryland (7/29/2018). View Record Details Media by Dave Webb.

Ivory-marked Beetle in Prince George's Co., Maryland (7/26/2020). (c) Hans Holbrook, some rights reserved (CC BY-NC). View Record Details Media by Hans Holbrook.

Ivory-marked Beetle in Washington Co., Maryland (7/28/2006). (c) Hans Holbrook, some rights reserved (CC BY-NC). View Record Details Media by Hans Holbrook.

Ivory-marked Beetle in Baltimore Co., Maryland (7/14/2019). (c) wendyjalexander, some rights reserved (CC BY-NC-ND). View Record Details Media by Wendy Alexander.

Ivory-marked Beetle in Kent Co., Maryland (7/28/2020). (c) pcowartrickmanphoto, some rights reserved (CC BY-NC). View Record Details Media by Pamela Cowart-Rickman.

An Ivory-marked Beetle in Washington Co., Maryland (7/28/2006). Media by Hans Holbrook.

Ivory-marked Beetle in Harford Co., Maryland (7/5/2018). (c) Josh Emm, some rights reserved (CC BY-NC). View Record Details Media by Josh Emm.

Ivory-marked Beetle in Dorchester Co., Maryland (8/6/2021). (c) Jim Brighton, some rights reserved (CC BY-NC). View Record Details Media by Jim Brighton.

An Ivory-marked Beetle in Talbot Co., Maryland (8/2/2013). View Record Details Media by Jared Satchell.

An Ivory-marked Beetle in Harford Co., Maryland (7/20/2019). View Record Details Media by Dave Webb.

Ivory-marked Beetle in Howard Co., Maryland (7/5/2023). (c) naturekratt, some rights reserved (CC BY-NC). View Record Details Media by naturekratt via iNaturalist.

Ivory-marked Beetle in Frederick Co., Maryland (7/18/2025). (c) Daniel Hinnebusch, some rights reserved (CC BY-NC). View Record Details Media by osprey1984 via iNaturalist.

Ivory-marked Beetle in Calvert Co., Maryland (7/23/2025). (c) Tonyia Johnson Stump, some rights reserved (CC BY-NC) View Record Details Media by Tonyia Johnson Stump via iNaturalist.