<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

Map Snapshot

18 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 Snapshot

Resources

View at iNaturalist View at Nature Serve Search Google Images Search MBP Facebook posts

View images at BugGuide

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.