A gall formed on blackberry by a Blackberry Knot Gall Wasp in St. Mary's Co., Maryland (1/1/2019).

View Record Details Photo by Jim Brighton MBP List

Blackberry Knot Gall Wasp in Frederick Co., Maryland (7/27/2020).

View Record Details Photo by Mark Etheridge MBP List

A Blackberry Knot Gall Wasp gall in Montgomery Co., Maryland (12/27/2018).

View Record Details Photo by Bonnie Bell MBP List

Blackberry Knot Gall Wasp on wild blackberry in Prince George's Co., Maryland (6/15/2020).

View Record Details Photo by Barbara Thurlow MBP List

A Blackberry Knot Gall Wasp gall in Montgomery Co., Maryland (12/30/2018).

View Record Details Photo by Bonnie Bell MBP List

A Blackberry Knot Gall Wasp gall in Howard Co., Maryland (3/17/2020).

View Record Details Photo by Matthew Beziat MBP List

A Blackberry Knot Gall Wasp gall in Montgomery Co., Maryland (4/29/2018). Verified by Charlie Eiseman/BugGuide.

View Record Details Photo by Bonnie Bell MBP List

A Blackberry Knot Gall Wasp gall in Montgomery Co., Maryland (12/26/2019).

View Record Details Photo by Bonnie Bell MBP List

A gall made by a Blackberry Knot Gall Wasp in Montgomery Co., Maryland (4/7/2019).

View Record Details Photo by Bonnie Bell MBP List

Blackberry Knot Gall Wasp in Carroll Co., Maryland (8/11/2019). (c) apeajar, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 341978 - Psn: 52)

Blackberry Knot Gall Wasp in Carroll Co., Maryland (8/11/2019). (c) apeajar, some rights reserved (CC BY-NC).

View Record Details Photo by apeajar via iNaturalist MBP List

A Blackberry Knot Gall Wasp gallin Harford Co., Maryland (3/17/2018). Verified by Charley Eiseman/BugGuide.

View Record Details Photo by Dave Webb MBP List

A Blackberry Knot Gall Wasp gall in Allegany Co., Maryland (6/4/2016).

View Record Details Photo by Andy Gougherty MBP List

Blackberry Knot Gall Wasp in Howard Co., Maryland (4/5/2020). (c) Matthew Beziat, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 289518 - Psn: 56)

Blackberry Knot Gall Wasp in Howard Co., Maryland (4/5/2020). (c) Matthew Beziat, some rights reserved (CC BY-NC).

View Record Details Photo by Matthew Beziat MBP List

Blackberry Knot Gall Wasp in Baltimore Co., Maryland (1/23/2020). (c) Emilio Concari, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 291665 - Psn: 56)

Blackberry Knot Gall Wasp in Baltimore Co., Maryland (1/23/2020). (c) Emilio Concari, some rights reserved (CC BY-NC).

View Record Details Photo by Emilio Concari MBP List

Blackberry Knot Gall Wasp in Prince George's Co., Maryland (8/15/2020). (c) Matthew Beziat, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 222451 - Psn: 66)

Blackberry Knot Gall Wasp in Prince George's Co., Maryland (8/15/2020). (c) Matthew Beziat, some rights reserved (CC BY-NC).

View Record Details Photo by Matthew Beziat MBP List

Blackberry Knot Gall Wasp in Howard Co., Maryland (8/9/2020). (c) smuller, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 207001 - Psn: 78)

Blackberry Knot Gall Wasp in Howard Co., Maryland (8/9/2020). (c) smuller, some rights reserved (CC BY-NC).

View Record Details Photo by Sue Muller MBP List

Blackberry Knot Gall Wasp in Prince George's Co., Maryland (2/5/2022). (c) Sergei Drovetski, all rights reserved. (Photo ID: 520515 - Psn: 88)

View Record Details Photo by Sergei Drovetski MBP List

Blackberry Knot Gall Wasp in Montgomery Co., Maryland (4/8/2022). (c) David, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc-sa/4.0/'>CC BY-NC-SA</a>). (Photo ID: 548963 - Psn: 88)

Blackberry Knot Gall Wasp in Montgomery Co., Maryland (4/8/2022). (c) David, some rights reserved (CC BY-NC-SA).

View Record Details Photo by David via iNaturalist MBP List

A Blackberry Knot Gall Wasp gall in Frederick Co., Maryland (1/20/2018). Determined by Charley Eiseman/BugGuide.

View Record Details Photo by Sue Muller MBP List

Blackberry Knot Gall Wasp in Montgomery Co., Maryland (7/11/2021). (c) Emily Summerbell, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 412391 - Psn: 145)

Blackberry Knot Gall Wasp in Montgomery Co., Maryland (7/11/2021). (c) Emily Summerbell, some rights reserved (CC BY).

View Record Details Photo by Emily Summerbell, Ph.D. via iNaturalist MBP List

Blackberry Knot Gall Wasp in Montgomery Co., Maryland (4/27/2019). (c) belby, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 341977 - Psn: 188)

Blackberry Knot Gall Wasp in Montgomery Co., Maryland (4/27/2019). (c) belby, some rights reserved (CC BY-NC).

View Record Details Photo by Bonnie Bell MBP List

Blackberry Knot Gall Wasp in Caroline Co., Maryland (4/20/2022). (c) Wayne Longbottom, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 554219 - Psn: 200)

Blackberry Knot Gall Wasp in Caroline Co., Maryland (4/20/2022). (c) Wayne Longbottom, some rights reserved (CC BY-NC).

View Record Details Photo by Wayne Longbottom MBP List

Blackberry Knot Gall Wasp in Montgomery Co., Maryland (4/8/2022). (c) David, some rights reserved (CC BY-NC-SA).

View Record Details Photo by David via iNaturalist MBP List

Blackberry Knot Gall Wasp in Montgomery Co., Maryland (4/8/2022). (c) David, some rights reserved (CC BY-NC-SA).

View Record Details Photo by David via iNaturalist MBP List

Map Snapshot

120 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

Seasonality Summary

No filters. Click here to explore and apply filters.

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 gall formed on blackberry by a Blackberry Knot Gall Wasp in St. Mary's Co., Maryland (1/1/2019). View Record Details Media by Jim Brighton.

Blackberry Knot Gall Wasp in Frederick Co., Maryland (7/27/2020). View Record Details Media by Mark Etheridge.

A Blackberry Knot Gall Wasp gall in Montgomery Co., Maryland (12/27/2018). View Record Details Media by Bonnie Bell.

Blackberry Knot Gall Wasp on wild blackberry in Prince George's Co., Maryland (6/15/2020). View Record Details Media by Barbara Thurlow.

A Blackberry Knot Gall Wasp gall in Montgomery Co., Maryland (12/30/2018). View Record Details Media by Bonnie Bell.

A Blackberry Knot Gall Wasp gall in Howard Co., Maryland (3/17/2020). View Record Details Media by Matthew Beziat.

A Blackberry Knot Gall Wasp gall in Montgomery Co., Maryland (4/29/2018). Verified by Charlie Eiseman/BugGuide. View Record Details Media by Bonnie Bell.

A Blackberry Knot Gall Wasp gall in Montgomery Co., Maryland (12/26/2019). View Record Details Media by Bonnie Bell.

A gall made by a Blackberry Knot Gall Wasp in Montgomery Co., Maryland (4/7/2019). View Record Details Media by Bonnie Bell.

Blackberry Knot Gall Wasp in Carroll Co., Maryland (8/11/2019). (c) apeajar, some rights reserved (CC BY-NC). View Record Details Media by apeajar via iNaturalist.

A Blackberry Knot Gall Wasp gallin Harford Co., Maryland (3/17/2018). Verified by Charley Eiseman/BugGuide. View Record Details Media by Dave Webb.

A Blackberry Knot Gall Wasp gall in Allegany Co., Maryland (6/4/2016). View Record Details Media by Andy Gougherty.

Blackberry Knot Gall Wasp in Howard Co., Maryland (4/5/2020). (c) Matthew Beziat, some rights reserved (CC BY-NC). View Record Details Media by Matthew Beziat.

Blackberry Knot Gall Wasp in Baltimore Co., Maryland (1/23/2020). (c) Emilio Concari, some rights reserved (CC BY-NC). View Record Details Media by Emilio Concari.

Blackberry Knot Gall Wasp in Prince George's Co., Maryland (8/15/2020). (c) Matthew Beziat, some rights reserved (CC BY-NC). View Record Details Media by Matthew Beziat.

Blackberry Knot Gall Wasp in Howard Co., Maryland (8/9/2020). (c) smuller, some rights reserved (CC BY-NC). View Record Details Media by Sue Muller.

Blackberry Knot Gall Wasp in Montgomery Co., Maryland (4/8/2022). (c) David, some rights reserved (CC BY-NC-SA). View Record Details Media by David via iNaturalist.

A Blackberry Knot Gall Wasp gall in Frederick Co., Maryland (1/20/2018). Determined by Charley Eiseman/BugGuide. View Record Details Media by Sue Muller.

Blackberry Knot Gall Wasp in Montgomery Co., Maryland (7/11/2021). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.

Blackberry Knot Gall Wasp in Montgomery Co., Maryland (4/27/2019). (c) belby, some rights reserved (CC BY-NC). View Record Details Media by Bonnie Bell.

Blackberry Knot Gall Wasp in Caroline Co., Maryland (4/20/2022). (c) Wayne Longbottom, some rights reserved (CC BY-NC). View Record Details Media by Wayne Longbottom.

Blackberry Knot Gall Wasp in Montgomery Co., Maryland (4/8/2022). (c) David, some rights reserved (CC BY-NC-SA). View Record Details Media by David via iNaturalist.