Hickory Aggregate Gall Midge in Prince George's Co., Maryland (7/31/2019). (c) Hans Holbrook, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 329242 - Psn: 42)

Hickory Aggregate Gall Midge in Prince George's Co., Maryland (7/31/2019). (c) Hans Holbrook, some rights reserved (CC BY-NC).

View Record Details Photo by Hans Holbrook MBP List

Hickory Aggregate Gall Midge in Washington Co., Maryland (7/17/2021). (c) Mark Etheridge, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 415873 - Psn: 125)

Hickory Aggregate Gall Midge in Washington Co., Maryland (7/17/2021). (c) Mark Etheridge, some rights reserved (CC BY-NC).

View Record Details Photo by Mark Etheridge MBP List

Hickory Aggregate Gall Midge in Washington Co., Maryland (7/17/2021). (c) Mark Etheridge, some rights reserved (CC BY-NC).

View Record Details Photo by Mark Etheridge MBP List

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (7/9/2021). (c) Emily Summerbell, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 412361 - Psn: 144)

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (7/9/2021). (c) Emily Summerbell, some rights reserved (CC BY).

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

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (7/9/2021). (c) Emily Summerbell, some rights reserved (CC BY).

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

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (9/8/2022). (c) Emily Summerbell, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 645019 - Psn: 152)

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (9/8/2022). (c) Emily Summerbell, some rights reserved (CC BY).

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

Hickory Aggregate Gall Midge in Carroll Co., Maryland (8/21/2022). (c) Matthew Beziat, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 768303 - Psn: 155)

Hickory Aggregate Gall Midge in Carroll Co., Maryland (8/21/2022). (c) Matthew Beziat, some rights reserved (CC BY-NC).

View Record Details Photo by Matthew Beziat MBP List

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (6/16/2023). (c) Emily Summerbell, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 875747 - Psn: 155)

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (6/16/2023). (c) Emily Summerbell, some rights reserved (CC BY).

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

Hickory Aggregate Gall Midge in Carroll Co., Maryland (8/21/2022). (c) Matthew Beziat, some rights reserved (CC BY-NC).

View Record Details Photo by Matthew Beziat MBP List

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (6/16/2023). (c) Emily Summerbell, some rights reserved (CC BY).

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

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (9/8/2022). (c) Emily Summerbell, some rights reserved (CC BY).

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

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (6/16/2023). (c) Emily Summerbell, some rights reserved (CC BY).

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

Hickory Aggregate Gall Midge in Howard Co., Maryland (Date obscured). (c) Pam Perna, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 845868 - Psn: 166)

Hickory Aggregate Gall Midge in Howard Co., Maryland (Date obscured). (c) Pam Perna, some rights reserved (CC BY-NC).

View Record Details Photo by PJ Perna via iNaturalist MBP List

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (8/4/2023). (c) Emily Summerbell, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 862437 - Psn: 167)

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (8/4/2023). (c) Emily Summerbell, some rights reserved (CC BY).

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

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (6/16/2023). (c) Emily Summerbell, some rights reserved (CC BY).

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

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (6/16/2023). (c) Emily Summerbell, some rights reserved (CC BY).

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

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (6/16/2023). (c) Emily Summerbell, some rights reserved (CC BY).

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

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (6/16/2023). (c) Emily Summerbell, some rights reserved (CC BY).

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

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (8/4/2023). (c) Emily Summerbell, some rights reserved (CC BY).

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

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (9/8/2022). (c) Emily Summerbell, some rights reserved (CC BY).

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

Hickory Aggregate Gall Midge in Garrett Co., Maryland (Date obscured). (c) Kyle Klotz, all rights reserved. (Photo ID: 1330730 - Psn: 178)

View Record Details Photo by Kyle Klotz MBP List

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (9/8/2022). (c) Emily Summerbell, some rights reserved (CC BY).

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

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (6/16/2023). (c) Emily Summerbell, some rights reserved (CC BY).

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

Hickory Aggregate Gall Midge in Garrett Co., Maryland (Date obscured). (c) Kyle Klotz, all rights reserved. (Photo ID: 1330731 - Psn: 192)

View Record Details Photo by Kyle Klotz MBP List

Hickory Aggregate Gall Midge in Garrett Co., Maryland (Date obscured). (c) Kyle Klotz, all rights reserved. (Photo ID: 1330732 - Psn: 200)

View Record Details Photo by Kyle Klotz MBP List

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (9/8/2022). (c) Emily Summerbell, some rights reserved (CC BY).

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

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (8/4/2023). (c) Emily Summerbell, some rights reserved (CC BY).

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

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (6/16/2023). (c) Emily Summerbell, some rights reserved (CC BY).

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

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (6/16/2023). (c) Emily Summerbell, some rights reserved (CC BY).

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

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (7/9/2021). (c) Emily Summerbell, some rights reserved (CC BY).

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

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (7/9/2021). (c) Emily Summerbell, some rights reserved (CC BY).

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

Map Snapshot

14 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.

Hickory Aggregate Gall Midge in Prince George's Co., Maryland (7/31/2019). (c) Hans Holbrook, some rights reserved (CC BY-NC). View Record Details Media by Hans Holbrook.

Hickory Aggregate Gall Midge in Washington Co., Maryland (7/17/2021). (c) Mark Etheridge, some rights reserved (CC BY-NC). View Record Details Media by Mark Etheridge.

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (7/9/2021). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (9/8/2022). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.

Hickory Aggregate Gall Midge in Carroll Co., Maryland (8/21/2022). (c) Matthew Beziat, some rights reserved (CC BY-NC). View Record Details Media by Matthew Beziat.

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (6/16/2023). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.

Hickory Aggregate Gall Midge in Carroll Co., Maryland (8/21/2022). (c) Matthew Beziat, some rights reserved (CC BY-NC). View Record Details Media by Matthew Beziat.

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (6/16/2023). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (9/8/2022). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (6/16/2023). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.

Hickory Aggregate Gall Midge in Howard Co., Maryland (Date obscured). (c) Pam Perna, some rights reserved (CC BY-NC). View Record Details Media by PJ Perna via iNaturalist.

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (8/4/2023). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (6/16/2023). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (8/4/2023). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (9/8/2022). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (6/16/2023). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (9/8/2022). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (8/4/2023). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (6/16/2023). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.

Hickory Aggregate Gall Midge in Montgomery Co., Maryland (7/9/2021). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.