<em>Parapergandea caryaevenae</em> galls on a <em>Carya</em> leaf in Baltimore City, Maryland (6/13/2012). Determined by Charley Eiseman/BugGuide. (Photo ID: 45559 - Psn: 20)

Parapergandea caryaevenae galls on a Carya leaf in Baltimore City, Maryland (6/13/2012). Determined by Charley Eiseman/BugGuide.

View Record Details Photo by Thomas Wilson MBP List

<em>Phylloxera caryaevenae</em> in Washington Co., Maryland (6/25/2021). (c) Mark Etheridge, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 401709 - Psn: 121)

Phylloxera caryaevenae in Washington Co., Maryland (6/25/2021). (c) Mark Etheridge, some rights reserved (CC BY-NC).

View Record Details Photo by Mark Etheridge MBP List

Phylloxera caryaevenae in Washington Co., Maryland (6/25/2021). (c) Mark Etheridge, some rights reserved (CC BY-NC).

View Record Details Photo by Mark Etheridge MBP List

<em>Phylloxera caryaevenae</em> in Montgomery Co., Maryland (5/20/2022). (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: 576449 - Psn: 145)

Phylloxera caryaevenae in Montgomery Co., Maryland (5/20/2022). (c) David, some rights reserved (CC BY-NC-SA).

View Record Details Photo by David via iNaturalist MBP List

<em>Phylloxera caryaevenae</em> in Montgomery Co., Maryland (7/1/2023). (c) Katja Schulz, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 925907 - Psn: 145)

Phylloxera caryaevenae in Montgomery Co., Maryland (7/1/2023). (c) Katja Schulz, some rights reserved (CC BY).

View Record Details Photo by Katja Schulz via iNaturalist MBP List

Phylloxera caryaevenae in Montgomery Co., Maryland (5/20/2022). (c) David, some rights reserved (CC BY-NC-SA).

View Record Details Photo by David via iNaturalist MBP List

<em>Phylloxera caryaevenae</em> in Garrett Co., Maryland (7/13/2023). (c) Mark Etheridge, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 851119 - Psn: 152)

Phylloxera caryaevenae in Garrett Co., Maryland (7/13/2023). (c) Mark Etheridge, some rights reserved (CC BY-NC).

View Record Details Photo by Mark Etheridge MBP List

Phylloxera caryaevenae in Montgomery Co., Maryland (7/1/2023). (c) Katja Schulz, some rights reserved (CC BY).

View Record Details Photo by Katja Schulz via iNaturalist MBP List

Phylloxera caryaevenae in Garrett Co., Maryland (7/13/2023). (c) Mark Etheridge, some rights reserved (CC BY-NC).

View Record Details Photo by Mark Etheridge MBP List

Phylloxera caryaevenae in Montgomery Co., Maryland (7/1/2023). (c) Katja Schulz, some rights reserved (CC BY).

View Record Details Photo by Katja Schulz via iNaturalist MBP List

Phylloxera caryaevenae in Montgomery Co., Maryland (7/1/2023). (c) Katja Schulz, some rights reserved (CC BY).

View Record Details Photo by Katja Schulz via iNaturalist MBP List

<em>Phylloxera caryaevenae</em> in Montgomery Co., Maryland (9/19/2021). (c) Emily Summerbell, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 458007 - Psn: 162)

Phylloxera caryaevenae in Montgomery Co., Maryland (9/19/2021). (c) Emily Summerbell, some rights reserved (CC BY).

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

<em>Phylloxera caryaevenae</em> in Washington Co., Maryland (6/2/2023). (c) Mark Etheridge, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 816368 - Psn: 165)

Phylloxera caryaevenae in Washington Co., Maryland (6/2/2023). (c) Mark Etheridge, some rights reserved (CC BY-NC).

View Record Details Photo by Mark Etheridge MBP List

Phylloxera caryaevenae in Montgomery Co., Maryland (5/20/2022). (c) David, some rights reserved (CC BY-NC-SA).

View Record Details Photo by David via iNaturalist MBP List

<em>Phylloxera caryaevenae</em> in Montgomery Co., Maryland (10/10/2022). (c) Emily Summerbell, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 715664 - Psn: 172)

Phylloxera caryaevenae in Montgomery Co., Maryland (10/10/2022). (c) Emily Summerbell, some rights reserved (CC BY).

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

Phylloxera caryaevenae in Washington Co., Maryland (6/2/2023). (c) Mark Etheridge, some rights reserved (CC BY-NC).

View Record Details Photo by Mark Etheridge MBP List

Phylloxera caryaevenae in Montgomery Co., Maryland (10/10/2022). (c) Emily Summerbell, some rights reserved (CC BY).

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

Phylloxera caryaevenae in Montgomery Co., Maryland (5/20/2022). (c) David, some rights reserved (CC BY-NC-SA).

View Record Details Photo by David via iNaturalist MBP List

Phylloxera caryaevenae in Montgomery Co., Maryland (10/10/2022). (c) Emily Summerbell, some rights reserved (CC BY).

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

Phylloxera caryaevenae in Montgomery Co., Maryland (9/19/2021). (c) Emily Summerbell, some rights reserved (CC BY).

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

Phylloxera caryaevenae in Montgomery Co., Maryland (10/10/2022). (c) Emily Summerbell, some rights reserved (CC BY).

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

<em>Phylloxera caryaevenae</em> in Montgomery Co., Maryland (7/22/2023). (c) Emily Summerbell, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 854921 - Psn: 178)

Phylloxera caryaevenae in Montgomery Co., Maryland (7/22/2023). (c) Emily Summerbell, some rights reserved (CC BY).

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

Phylloxera caryaevenae in Montgomery Co., Maryland (5/20/2022). (c) David, some rights reserved (CC BY-NC-SA).

View Record Details Photo by David via iNaturalist MBP List

<em>Phylloxera caryaevenae</em> in Montgomery Co., Maryland (5/30/2022). (c) Emily Summerbell, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 579102 - Psn: 188)

Phylloxera caryaevenae in Montgomery Co., Maryland (5/30/2022). (c) Emily Summerbell, some rights reserved (CC BY).

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

Phylloxera caryaevenae in Montgomery Co., Maryland (10/10/2022). (c) Emily Summerbell, some rights reserved (CC BY).

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

Phylloxera caryaevenae in Montgomery Co., Maryland (5/30/2022). (c) Emily Summerbell, some rights reserved (CC BY).

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

Phylloxera caryaevenae in Montgomery Co., Maryland (10/10/2022). (c) Emily Summerbell, some rights reserved (CC BY).

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

Phylloxera caryaevenae in Montgomery Co., Maryland (7/22/2023). (c) Emily Summerbell, some rights reserved (CC BY).

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

Phylloxera caryaevenae in Montgomery Co., Maryland (7/22/2023). (c) Emily Summerbell, some rights reserved (CC BY).

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

Phylloxera caryaevenae in Montgomery Co., Maryland (10/10/2022). (c) Emily Summerbell, some rights reserved (CC BY).

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

Phylloxera caryaevenae in Montgomery Co., Maryland (10/10/2022). (c) Emily Summerbell, some rights reserved (CC BY).

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

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GA AL WA FR CL MO HO BA BC HA CE PG AA CV CH SM KE QA CN TA DO WI SO WO

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

Parapergandea caryaevenae galls on a Carya leaf in Baltimore City, Maryland (6/13/2012). Determined by Charley Eiseman/BugGuide. View Record Details Media by Thomas Wilson.

Phylloxera caryaevenae in Washington Co., Maryland (6/25/2021). (c) Mark Etheridge, some rights reserved (CC BY-NC). View Record Details Media by Mark Etheridge.

Phylloxera caryaevenae in Montgomery Co., Maryland (5/20/2022). (c) David, some rights reserved (CC BY-NC-SA). View Record Details Media by David via iNaturalist.

Phylloxera caryaevenae in Montgomery Co., Maryland (7/1/2023). (c) Katja Schulz, some rights reserved (CC BY). View Record Details Media by Katja Schulz via iNaturalist.

Phylloxera caryaevenae in Montgomery Co., Maryland (5/20/2022). (c) David, some rights reserved (CC BY-NC-SA). View Record Details Media by David via iNaturalist.

Phylloxera caryaevenae in Garrett Co., Maryland (7/13/2023). (c) Mark Etheridge, some rights reserved (CC BY-NC). View Record Details Media by Mark Etheridge.

Phylloxera caryaevenae in Montgomery Co., Maryland (7/1/2023). (c) Katja Schulz, some rights reserved (CC BY). View Record Details Media by Katja Schulz via iNaturalist.

Phylloxera caryaevenae in Garrett Co., Maryland (7/13/2023). (c) Mark Etheridge, some rights reserved (CC BY-NC). View Record Details Media by Mark Etheridge.

Phylloxera caryaevenae in Montgomery Co., Maryland (7/1/2023). (c) Katja Schulz, some rights reserved (CC BY). View Record Details Media by Katja Schulz via iNaturalist.

Phylloxera caryaevenae in Montgomery Co., Maryland (9/19/2021). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.

Phylloxera caryaevenae in Washington Co., Maryland (6/2/2023). (c) Mark Etheridge, some rights reserved (CC BY-NC). View Record Details Media by Mark Etheridge.

Phylloxera caryaevenae in Montgomery Co., Maryland (5/20/2022). (c) David, some rights reserved (CC BY-NC-SA). View Record Details Media by David via iNaturalist.

Phylloxera caryaevenae in Montgomery Co., Maryland (10/10/2022). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.

Phylloxera caryaevenae in Washington Co., Maryland (6/2/2023). (c) Mark Etheridge, some rights reserved (CC BY-NC). View Record Details Media by Mark Etheridge.

Phylloxera caryaevenae in Montgomery Co., Maryland (10/10/2022). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.

Phylloxera caryaevenae in Montgomery Co., Maryland (5/20/2022). (c) David, some rights reserved (CC BY-NC-SA). View Record Details Media by David via iNaturalist.

Phylloxera caryaevenae in Montgomery Co., Maryland (10/10/2022). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.

Phylloxera caryaevenae in Montgomery Co., Maryland (9/19/2021). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.

Phylloxera caryaevenae in Montgomery Co., Maryland (10/10/2022). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.

Phylloxera caryaevenae in Montgomery Co., Maryland (7/22/2023). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.

Phylloxera caryaevenae in Montgomery Co., Maryland (5/20/2022). (c) David, some rights reserved (CC BY-NC-SA). View Record Details Media by David via iNaturalist.

Phylloxera caryaevenae in Montgomery Co., Maryland (5/30/2022). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.

Phylloxera caryaevenae in Montgomery Co., Maryland (10/10/2022). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.

Phylloxera caryaevenae in Montgomery Co., Maryland (5/30/2022). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.

Phylloxera caryaevenae in Montgomery Co., Maryland (10/10/2022). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.

Phylloxera caryaevenae in Montgomery Co., Maryland (7/22/2023). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.

Phylloxera caryaevenae in Montgomery Co., Maryland (10/10/2022). (c) Emily Summerbell, some rights reserved (CC BY). View Record Details Media by Emily Summerbell, Ph.D. via iNaturalist.