A Blueberry Stem Gall Wasp gall in Garrett Co., Maryland (7/24/2015).

View Record Details Photo by Boyer and McDowell MBP List

Blueberry Stem Gall Wasp in Anne Arundel Co., Maryland (4/24/2022). (c) Matthew Beziat, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 560568 - Psn: 45)

Blueberry Stem Gall Wasp in Anne Arundel Co., Maryland (4/24/2022). (c) Matthew Beziat, some rights reserved (CC BY-NC).

View Record Details Photo by Matthew Beziat MBP List

A Blueberry Stem Gall Wasp gall in Frederick Co., Maryland (6/8/2013)

Photo by Jim Brighton MBP List

Blueberry Stem Gall Wasp in Worcester Co., Maryland (6/28/2025). (c) Sue Muller, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1293366 - Psn: 88)

Blueberry Stem Gall Wasp in Worcester Co., Maryland (6/28/2025). (c) Sue Muller, some rights reserved (CC BY-NC).

View Record Details Photo by Sue Muller MBP List

Blueberry Stem Gall Wasp in Prince George's Co., Maryland (4/25/2020). (c) Matthew Beziat, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 499936 - Psn: 145)

Blueberry Stem Gall Wasp in Prince George's Co., Maryland (4/25/2020). (c) Matthew Beziat, some rights reserved (CC BY-NC).

View Record Details Photo by Matthew Beziat MBP List

Blueberry Stem Gall Wasp in Garrett Co., Maryland (Date obscured). (c) Kyle Klotz, all rights reserved (Photo ID: 1432458 - Psn: 158)

View Record Details Photo by Kyle Klotz MBP List

Blueberry Stem Gall Wasp in Anne Arundel Co., Maryland (8/27/2022). (c) Matthew Beziat, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 634322 - Psn: 160)

Blueberry Stem Gall Wasp in Anne Arundel Co., Maryland (8/27/2022). (c) Matthew Beziat, some rights reserved (CC BY-NC).

View Record Details Photo by Matthew Beziat MBP List

Blueberry Stem Gall Wasp in Dorchester Co., Maryland (8/10/2022). (c) Jim Brighton, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 621464 - Psn: 165)

Blueberry Stem Gall Wasp in Dorchester Co., Maryland (8/10/2022). (c) Jim Brighton, some rights reserved (CC BY-NC).

View Record Details Photo by Jim Brighton MBP List

Blueberry Stem Gall Wasp in Garrett Co., Maryland (Date obscured). (c) Kyle Klotz, all rights reserved (Photo ID: 1432459 - Psn: 166)

View Record Details Photo by Kyle Klotz MBP List

Blueberry Stem Gall Wasp in Dorchester Co., Maryland (8/10/2022). (c) Jim Brighton, some rights reserved (CC BY-NC).

View Record Details Photo by Jim Brighton MBP List

Blueberry Stem Gall Wasp in Cecil Co., Maryland (3/4/2022). (c) johncanoles, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 531746 - Psn: 175)

Blueberry Stem Gall Wasp in Cecil Co., Maryland (3/4/2022). (c) johncanoles, some rights reserved (CC BY-NC).

View Record Details Photo by johncanoles via iNaturalist MBP List

Blueberry Stem Gall Wasp in Anne Arundel Co., Maryland (2/17/2022). (c) Robert Ferraro, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 525567 - Psn: 188)

Blueberry Stem Gall Wasp in Anne Arundel Co., Maryland (2/17/2022). (c) Robert Ferraro, some rights reserved (CC BY-NC).

View Record Details Photo by ptbrnchbob via iNaturalist MBP List

Blueberry Stem Gall Wasp in Prince George's Co., Maryland (3/25/2022). (c) Emilio Concari, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 540218 - Psn: 188)

Blueberry Stem Gall Wasp in Prince George's Co., Maryland (3/25/2022). (c) Emilio Concari, some rights reserved (CC BY-NC).

View Record Details Photo by Emilio Concari MBP List

Blueberry Stem Gall Wasp in Garrett Co., Maryland (12/23/2020). (c) Deborah Barber, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 482164 - Psn: 190)

Blueberry Stem Gall Wasp in Garrett Co., Maryland (12/23/2020). (c) Deborah Barber, some rights reserved (CC BY-NC).

View Record Details Photo by Deborah Barber via iNaturalist MBP List

Blueberry Stem Gall Wasp in Dorchester Co., Maryland (5/28/2021). (c) Mark Etheridge, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 386774 - Psn: 200)

Blueberry Stem Gall Wasp in Dorchester Co., Maryland (5/28/2021). (c) Mark Etheridge, some rights reserved (CC BY-NC).

View Record Details Photo by Mark Etheridge MBP List

Blueberry Stem Gall Wasp in Dorchester Co., Maryland (5/28/2021). (c) Mark Etheridge, some rights reserved (CC BY-NC).

View Record Details Photo by Mark Etheridge MBP List

Blueberry Stem Gall Wasp in Calvert Co., Maryland (8/8/2025). (c) Matthew Beziat, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1325310 - Psn: 200)

Blueberry Stem Gall Wasp in Calvert Co., Maryland (8/8/2025). (c) Matthew Beziat, some rights reserved (CC BY-NC).

View Record Details Photo by Matthew Beziat MBP List

Blueberry Stem Gall Wasp in Garrett Co., Maryland (Date obscured). (c) Kyle Klotz, all rights reserved (Photo ID: 1451176 - Psn: 200)

View Record Details Photo by Kyle Klotz MBP List

Blueberry Stem Gall Wasp in Queen Anne's Co., Maryland (5/2/2022). (c) Matthew Beziat, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 563049 - Psn: 220)

Blueberry Stem Gall Wasp in Queen Anne's Co., Maryland (5/2/2022). (c) Matthew Beziat, some rights reserved (CC BY-NC).

View Record Details Photo by Matthew Beziat MBP List

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53 Records

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

A Blueberry Stem Gall Wasp gall in Garrett Co., Maryland (7/24/2015). View Record Details Media by Boyer and McDowell.

Blueberry Stem Gall Wasp in Anne Arundel Co., Maryland (4/24/2022). (c) Matthew Beziat, some rights reserved (CC BY-NC). View Record Details Media by Matthew Beziat.

A Blueberry Stem Gall Wasp gall in Frederick Co., Maryland (6/8/2013) Media by Jim Brighton.

Blueberry Stem Gall Wasp in Worcester Co., Maryland (6/28/2025). (c) Sue Muller, some rights reserved (CC BY-NC). View Record Details Media by Sue Muller.

Blueberry Stem Gall Wasp in Prince George's Co., Maryland (4/25/2020). (c) Matthew Beziat, some rights reserved (CC BY-NC). View Record Details Media by Matthew Beziat.

Blueberry Stem Gall Wasp in Anne Arundel Co., Maryland (8/27/2022). (c) Matthew Beziat, some rights reserved (CC BY-NC). View Record Details Media by Matthew Beziat.

Blueberry Stem Gall Wasp in Dorchester Co., Maryland (8/10/2022). (c) Jim Brighton, some rights reserved (CC BY-NC). View Record Details Media by Jim Brighton.

Blueberry Stem Gall Wasp in Cecil Co., Maryland (3/4/2022). (c) johncanoles, some rights reserved (CC BY-NC). View Record Details Media by johncanoles via iNaturalist.

Blueberry Stem Gall Wasp in Anne Arundel Co., Maryland (2/17/2022). (c) Robert Ferraro, some rights reserved (CC BY-NC). View Record Details Media by ptbrnchbob via iNaturalist.

Blueberry Stem Gall Wasp in Prince George's Co., Maryland (3/25/2022). (c) Emilio Concari, some rights reserved (CC BY-NC). View Record Details Media by Emilio Concari.

Blueberry Stem Gall Wasp in Garrett Co., Maryland (12/23/2020). (c) Deborah Barber, some rights reserved (CC BY-NC). View Record Details Media by Deborah Barber via iNaturalist.

Blueberry Stem Gall Wasp in Dorchester Co., Maryland (5/28/2021). (c) Mark Etheridge, some rights reserved (CC BY-NC). View Record Details Media by Mark Etheridge.

Blueberry Stem Gall Wasp in Calvert Co., Maryland (8/8/2025). (c) Matthew Beziat, some rights reserved (CC BY-NC). View Record Details Media by Matthew Beziat.

Blueberry Stem Gall Wasp in Queen Anne's Co., Maryland (5/2/2022). (c) Matthew Beziat, some rights reserved (CC BY-NC). View Record Details Media by Matthew Beziat.