<em>Aceria nyssae</em> in Garrett Co., Maryland (6/9/2013). Mites cause these bead like galls on Black Gum leaves. (Photo ID: 6324 - Psn: 10)

Aceria nyssae in Garrett Co., Maryland (6/9/2013). Mites cause these bead like galls on Black Gum leaves.

View Record Details Photo by Jim Brighton MBP List

<em>Aceria nyssae</em> in Talbot Co., Maryland (5/16/2015). (Photo ID: 23509 - Psn: 55)

Aceria nyssae in Talbot Co., Maryland (5/16/2015).

View Record Details Photo by Jim Brighton MBP List

<em>Aceria nyssae</em> in Worcester Co., Maryland (5/18/2017). (c) Jason Michael Crockwell, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc-nd/4.0/'>CC BY-NC-ND</a>). (Photo ID: 196723 - Psn: 55)

Aceria nyssae in Worcester Co., Maryland (5/18/2017). (c) Jason Michael Crockwell, some rights reserved (CC BY-NC-ND).

View Record Details Photo by Jason Michael Crockwell via iNaturalist MBP List

<em>Aceria nyssae</em> galls on a Black Gum leaf in Baltimore City, Maryland (8/29/2010). Verified by Charley Eiseman/BugGuide. (Photo ID: 45116 - Psn: 56)

Aceria nyssae galls on a Black Gum leaf in Baltimore City, Maryland (8/29/2010). Verified by Charley Eiseman/BugGuide.

View Record Details Photo by Thomas Wilson MBP List

<em>Aceria nyssae</em> in Prince George's Co., Maryland (7/18/2015). (Photo ID: 59734 - Psn: 75)

Aceria nyssae in Prince George's Co., Maryland (7/18/2015).

View Record Details Photo by Jim Brighton MBP List

<em>Aceria nyssae</em> galls on Black Gum in St. Mary's Co., Maryland (). (Photo ID: 68073 - Psn: 75)

Aceria nyssae galls on Black Gum in St. Mary's Co., Maryland ().

View Record Details Photo by Jim Brighton MBP List

<em>Aceria nyssae</em> in Washington Co., Maryland (6/26/2018). (c) Mark Etheridge, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 325338 - Psn: 88)

Aceria nyssae in Washington Co., Maryland (6/26/2018). (c) Mark Etheridge, some rights reserved (CC BY-NC).

View Record Details Photo by Mark Etheridge MBP List

<em>Aceria nyssae</em> in Caroline Co., Maryland (5/31/2023). (c) Wayne Longbottom, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 813390 - Psn: 175)

Aceria nyssae in Caroline Co., Maryland (5/31/2023). (c) Wayne Longbottom, some rights reserved (CC BY-NC).

View Record Details Photo by Wayne Longbottom MBP List

<em>Aceria nyssae</em> in Harford Co., Maryland (4/25/2023). (c) kidneymoth, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 788006 - Psn: 188)

Aceria nyssae in Harford Co., Maryland (4/25/2023). (c) kidneymoth, some rights reserved (CC BY-NC).

View Record Details Photo by kidneymoth via iNaturalist MBP List

Aceria nyssae in Harford Co., Maryland (4/25/2023). (c) kidneymoth, some rights reserved (CC BY-NC).

View Record Details Photo by kidneymoth via iNaturalist MBP List

<em>Aceria nyssae</em> in Talbot Co., Maryland (6/15/2023). (c) Wayne Longbottom, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 827253 - Psn: 200)

Aceria nyssae in Talbot Co., Maryland (6/15/2023). (c) Wayne Longbottom, some rights reserved (CC BY-NC).

View Record Details Photo by Wayne Longbottom MBP List

Aceria nyssae in Harford Co., Maryland (4/25/2023). (c) kidneymoth, some rights reserved (CC BY-NC).

View Record Details Photo by kidneymoth via iNaturalist MBP List

Aceria nyssae in Harford Co., Maryland (4/25/2023). (c) kidneymoth, some rights reserved (CC BY-NC).

View Record Details Photo by kidneymoth via iNaturalist MBP List

<em>Aceria nyssae</em> in Prince George's Co., Maryland (5/27/2017). (Photo ID: 77498 - Psn: 1000)

Aceria nyssae in Prince George's Co., Maryland (5/27/2017).

View Record Details Photo by Jim Brighton MBP List

<em>Aceria nyssae</em> in St. Mary's Co., Maryland (5/27/2017). (Photo ID: 80243 - Psn: 1021)

Aceria nyssae in St. Mary's Co., Maryland (5/27/2017).

View Record Details Photo by Jim Brighton MBP List

Map Snapshot

266 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

Relationships

Causes beadlike galls on the upper surface of Black Gum (Nyssa sylvatica) leaves (Keifer et al., 1982).

Seasonality Snapshot

Resources

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

Aceria nyssae in Garrett Co., Maryland (6/9/2013). Mites cause these bead like galls on Black Gum leaves. View Record Details Media by Jim Brighton.

Aceria nyssae in Talbot Co., Maryland (5/16/2015). View Record Details Media by Jim Brighton.

Aceria nyssae in Worcester Co., Maryland (5/18/2017). (c) Jason Michael Crockwell, some rights reserved (CC BY-NC-ND). View Record Details Media by Jason Michael Crockwell via iNaturalist.

Aceria nyssae galls on a Black Gum leaf in Baltimore City, Maryland (8/29/2010). Verified by Charley Eiseman/BugGuide. View Record Details Media by Thomas Wilson.

Aceria nyssae in Prince George's Co., Maryland (7/18/2015). View Record Details Media by Jim Brighton.

Aceria nyssae galls on Black Gum in St. Mary's Co., Maryland (). View Record Details Media by Jim Brighton.

Aceria nyssae in Washington Co., Maryland (6/26/2018). (c) Mark Etheridge, some rights reserved (CC BY-NC). View Record Details Media by Mark Etheridge.

Aceria nyssae in Caroline Co., Maryland (5/31/2023). (c) Wayne Longbottom, some rights reserved (CC BY-NC). View Record Details Media by Wayne Longbottom.

Aceria nyssae in Harford Co., Maryland (4/25/2023). (c) kidneymoth, some rights reserved (CC BY-NC). View Record Details Media by kidneymoth via iNaturalist.

Aceria nyssae in Talbot Co., Maryland (6/15/2023). (c) Wayne Longbottom, some rights reserved (CC BY-NC). View Record Details Media by Wayne Longbottom.

Aceria nyssae in Harford Co., Maryland (4/25/2023). (c) kidneymoth, some rights reserved (CC BY-NC). View Record Details Media by kidneymoth via iNaturalist.

Aceria nyssae in Prince George's Co., Maryland (5/27/2017). View Record Details Media by Jim Brighton.

Aceria nyssae in St. Mary's Co., Maryland (5/27/2017). View Record Details Media by Jim Brighton.