A Black Locust Gall Midge larva (inset) and leaf margin galls in Harford Co., Maryland (7/26/2022).

View Record Details Photo by Dave Webb MBP List

Black Locust Gall Midge in Talbot Co., Maryland (7/18/2022). (c) Wayne Longbottom, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 612492 - Psn: 35)

Black Locust Gall Midge in Talbot Co., Maryland (7/18/2022). (c) Wayne Longbottom, some rights reserved (CC BY-NC).

View Record Details Photo by Wayne Longbottom MBP List

Black Locust Gall Midge leaf margin roll galls on Black Locust in Baltimore City, Maryland (7/19/2010). Determined by Charley Eiseman/BugGuide.

View Record Details Photo by Thomas Wilson MBP List

Black Locust Gall Midges in Washington Co., Maryland (6/22/2020).

View Record Details Photo by Mark Etheridge MBP List

Black Locust Gall Midge in St. Mary's Co., Maryland (7/8/2020). (c) jtylerbell, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 183562 - Psn: 115)

Black Locust Gall Midge in St. Mary's Co., Maryland (7/8/2020). (c) jtylerbell, some rights reserved (CC BY-NC).

View Record Details Photo by Tyler Bell MBP List

Black Locust Gall Midge in Talbot Co., Maryland (7/18/2022). (c) Wayne Longbottom, some rights reserved (CC BY-NC).

View Record Details Photo by Wayne Longbottom MBP List

Black Locust Gall Midge in Anne Arundel Co., Maryland (7/10/2022). (c) Wayne Longbottom, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 612414 - Psn: 178)

Black Locust Gall Midge in Anne Arundel Co., Maryland (7/10/2022). (c) Wayne Longbottom, some rights reserved (CC BY-NC).

View Record Details Photo by Wayne Longbottom MBP List

Black Locust Gall Midge in Anne Arundel Co., Maryland (7/10/2022). (c) Wayne Longbottom, some rights reserved (CC BY-NC).

View Record Details Photo by Wayne Longbottom MBP List

Black Locust Gall Midge in Wicomico Co., Maryland (8/8/2022). (c) Wayne Longbottom, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 620134 - Psn: 188)

Black Locust Gall Midge in Wicomico Co., Maryland (8/8/2022). (c) Wayne Longbottom, some rights reserved (CC BY-NC).

View Record Details Photo by Wayne Longbottom MBP List

Black Locust Gall Midge in Anne Arundel Co., Maryland (7/31/2022). (c) Wayne Longbottom, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 614652 - Psn: 192)

Black Locust Gall Midge in Anne Arundel Co., Maryland (7/31/2022). (c) Wayne Longbottom, some rights reserved (CC BY-NC).

View Record Details Photo by Wayne Longbottom MBP List

Black Locust Gall Midge in Washington Co., Maryland (7/26/2019). Verified by Charley Eiseman/BugGuide.

View Record Details Photo by Mark Etheridge MBP List

Map Snapshot

90 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

Native to North America.

Relationships

This species is a pest that forms leaf margin roll galls on Black Locust.

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.

A Black Locust Gall Midge larva (inset) and leaf margin galls in Harford Co., Maryland (7/26/2022). View Record Details Media by Dave Webb.

Black Locust Gall Midge in Talbot Co., Maryland (7/18/2022). (c) Wayne Longbottom, some rights reserved (CC BY-NC). View Record Details Media by Wayne Longbottom.

Black Locust Gall Midge leaf margin roll galls on Black Locust in Baltimore City, Maryland (7/19/2010). Determined by Charley Eiseman/BugGuide. View Record Details Media by Thomas Wilson.

Black Locust Gall Midges in Washington Co., Maryland (6/22/2020). View Record Details Media by Mark Etheridge.

Black Locust Gall Midge in St. Mary's Co., Maryland (7/8/2020). (c) jtylerbell, some rights reserved (CC BY-NC). View Record Details Media by Tyler Bell.

Black Locust Gall Midge in Talbot Co., Maryland (7/18/2022). (c) Wayne Longbottom, some rights reserved (CC BY-NC). View Record Details Media by Wayne Longbottom.

Black Locust Gall Midge in Anne Arundel Co., Maryland (7/10/2022). (c) Wayne Longbottom, some rights reserved (CC BY-NC). View Record Details Media by Wayne Longbottom.

Black Locust Gall Midge in Wicomico Co., Maryland (8/8/2022). (c) Wayne Longbottom, some rights reserved (CC BY-NC). View Record Details Media by Wayne Longbottom.

Black Locust Gall Midge in Anne Arundel Co., Maryland (7/31/2022). (c) Wayne Longbottom, some rights reserved (CC BY-NC). View Record Details Media by Wayne Longbottom.

Black Locust Gall Midge in Washington Co., Maryland (7/26/2019). Verified by Charley Eiseman/BugGuide. View Record Details Media by Mark Etheridge.