A female <em>Piezogaster calcarator</em> in Frederick Co., Maryland (9/15/2014). (Photo ID: 70649 - Psn: 20)

A female Piezogaster calcarator in Frederick Co., Maryland (9/15/2014).

View Record Details Photo by Mark Etheridge MBP List

<em>Piezogaster calcarator</em> in Worcester Co., Maryland (9/13/2013). (Photo ID: 163432 - Psn: 30)

Piezogaster calcarator in Worcester Co., Maryland (9/13/2013).

View Record Details Photo by Jim Brighton MBP List

<em>Piezogaster calcarator</em> in Montgomery Co., Maryland (5/30/2021). (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: 564924 - Psn: 45)

Piezogaster calcarator in Montgomery Co., Maryland (5/30/2021). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC).

View Record Details Photo by Jim Moore MBP List

<em>Piezogaster calcarator</em> in Washington Co., Maryland (5/28/2023). (c) Mark Etheridge, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 810127 - Psn: 45)

Piezogaster calcarator in Washington Co., Maryland (5/28/2023). (c) Mark Etheridge, some rights reserved (CC BY-NC).

View Record Details Photo by Mark Etheridge MBP List

<em>Piezogaster calcarator</em> in Allegany Co., Maryland (5/31/2021). (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: 987509 - Psn: 45)

Piezogaster calcarator in Allegany Co., Maryland (5/31/2021). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC).

View Record Details Photo by Jim Moore MBP List

Piezogaster calcarator in Allegany Co., Maryland (5/31/2021). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC).

View Record Details Photo by Jim Moore MBP List

Piezogaster calcarator in Montgomery Co., Maryland (5/30/2021). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC).

View Record Details Photo by Jim Moore MBP List

<em>Piezogaster calcarator</em> in Anne Arundel Co., Maryland (9/16/2023). (c) Timothy Reichard, all rights reserved. (Photo ID: 949029 - Psn: 54)

View Record Details Photo by Timothy Reichard MBP List

<em>Piezogaster calcarator</em> in Baltimore Co., Maryland (9/27/2017). (c) Bill Hubick, all rights reserved. (Photo ID: 948138 - Psn: 55)

View Record Details Photo by Bill Hubick MBP List

<em>Piezogaster calcarator</em> in Montgomery Co., Maryland (9/20/2023). (c) RiHart, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 950982 - Psn: 65)

Piezogaster calcarator in Montgomery Co., Maryland (9/20/2023). (c) RiHart, some rights reserved (CC BY-NC).

View Record Details Photo by rhart81 via iNaturalist MBP List

<em>Piezogaster calcarator</em> in Baltimore Co., Maryland (9/21/2021). (c) richard crook, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 950988 - Psn: 66)

Piezogaster calcarator in Baltimore Co., Maryland (9/21/2021). (c) richard crook, some rights reserved (CC BY-NC).

View Record Details Photo by rwcrook via iNaturalist MBP List

<em>Piezogaster calcarator</em> in Washington Co., Maryland (8/23/2025). (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: 1343082 - Psn: 80)

Piezogaster calcarator in Washington Co., Maryland (8/23/2025). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC).

View Record Details Photo by Jim Moore MBP List

<em>Piezogaster calcarator</em> nymph in Montgomery Co., Maryland (8/22/2021). (Photo ID: 460109 - Psn: 100)

Piezogaster calcarator nymph in Montgomery Co., Maryland (8/22/2021).

View Record Details Photo by Jim Moore MBP List

A <em>Piezogaster calcarator</em> in Washington Co., Maryland (9/1/2017). Determined by Ken Wolgemuth/BugGuide. (Photo ID: 123776 - Psn: 115)

A Piezogaster calcarator in Washington Co., Maryland (9/1/2017). Determined by Ken Wolgemuth/BugGuide.

View Record Details Photo by Jesse Christopherson MBP List

A <em>Piezogaster calcarator</em> in Montgomery Co., Maryland (8/16/2018). (Photo ID: 145560 - Psn: 115)

A Piezogaster calcarator in Montgomery Co., Maryland (8/16/2018).

View Record Details Photo by Kurt Schwarz MBP List

<em>Piezogaster calcarator</em> in Harford Co., Maryland (Date obscured). (c) David Stutzman, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1295915 - Psn: 122)

Piezogaster calcarator in Harford Co., Maryland (Date obscured). (c) David Stutzman, some rights reserved (CC BY-NC).

View Record Details Photo by dstutz via iNaturalist MBP List

<em>Piezogaster calcarator</em> in Prince George's Co., Maryland (5/24/2009). (Photo ID: 9118 - Psn: 200)

Piezogaster calcarator in Prince George's Co., Maryland (5/24/2009).

Photo by Tom Ostrowski MBP List

A <em>Piezogaster calcarator</em> in Harford Co., Maryland (6/22/2017). (Photo ID: 82452 - Psn: 200)

A Piezogaster calcarator in Harford Co., Maryland (6/22/2017).

View Record Details Photo by Josh Emm MBP List

<em>Piezogaster calcarator</em> in Montgomery Co., Maryland (7/5/2025). (c) belby, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1305866 - Psn: 200)

Piezogaster calcarator in Montgomery Co., Maryland (7/5/2025). (c) belby, some rights reserved (CC BY-NC).

View Record Details Photo by Bonnie Bell MBP List

<em>Piezogaster calcarator</em> in Carroll Co., Maryland (6/19/2025). (c) Tom Field, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>) (Photo ID: 1451018 - Psn: 200)

Piezogaster calcarator in Carroll Co., Maryland (6/19/2025). (c) Tom Field, some rights reserved (CC BY)

View Record Details Photo by Tom Feild MBP List

Piezogaster calcarator in Carroll Co., Maryland (6/19/2025). (c) Tom Field, some rights reserved (CC BY)

View Record Details Photo by Tom Feild MBP List

Map Snapshot

71 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

Appears to be the only member of its genus expected in Maryland.

Seasonality Summary

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Resources

View at iNaturalist Search Google Images Search MBP Facebook posts

View images at BugGuide

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 female Piezogaster calcarator in Frederick Co., Maryland (9/15/2014). View Record Details Media by Mark Etheridge.

Piezogaster calcarator in Worcester Co., Maryland (9/13/2013). View Record Details Media by Jim Brighton.

Piezogaster calcarator in Montgomery Co., Maryland (5/30/2021). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC). View Record Details Media by Jim Moore.

Piezogaster calcarator in Washington Co., Maryland (5/28/2023). (c) Mark Etheridge, some rights reserved (CC BY-NC). View Record Details Media by Mark Etheridge.

Piezogaster calcarator in Allegany Co., Maryland (5/31/2021). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC). View Record Details Media by Jim Moore.

Piezogaster calcarator in Montgomery Co., Maryland (5/30/2021). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC). View Record Details Media by Jim Moore.

Piezogaster calcarator in Montgomery Co., Maryland (9/20/2023). (c) RiHart, some rights reserved (CC BY-NC). View Record Details Media by rhart81 via iNaturalist.

Piezogaster calcarator in Baltimore Co., Maryland (9/21/2021). (c) richard crook, some rights reserved (CC BY-NC). View Record Details Media by rwcrook via iNaturalist.

Piezogaster calcarator in Washington Co., Maryland (8/23/2025). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC). View Record Details Media by Jim Moore.

Piezogaster calcarator nymph in Montgomery Co., Maryland (8/22/2021). View Record Details Media by Jim Moore.

A Piezogaster calcarator in Washington Co., Maryland (9/1/2017). Determined by Ken Wolgemuth/BugGuide. View Record Details Media by Jesse Christopherson.

A Piezogaster calcarator in Montgomery Co., Maryland (8/16/2018). View Record Details Media by Kurt Schwarz.

Piezogaster calcarator in Harford Co., Maryland (Date obscured). (c) David Stutzman, some rights reserved (CC BY-NC). View Record Details Media by dstutz via iNaturalist.

Piezogaster calcarator in Prince George's Co., Maryland (5/24/2009). Media by Tom Ostrowski.

A Piezogaster calcarator in Harford Co., Maryland (6/22/2017). View Record Details Media by Josh Emm.

Piezogaster calcarator in Montgomery Co., Maryland (7/5/2025). (c) belby, some rights reserved (CC BY-NC). View Record Details Media by Bonnie Bell.

Piezogaster calcarator in Carroll Co., Maryland (6/19/2025). (c) Tom Field, some rights reserved (CC BY) View Record Details Media by Tom Feild.