Hackberry Petiole Gall Psyllid Pachypsylla venusta (Osten Sacken, 1861)    
Kingdom Animalia   >   Phylum Arthropoda   >   Class Insecta   >   Order Hemiptera   >   Family Aphalaridae   >   Genus Pachypsylla   

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The galls of Hackberry Petiole Gall Psyllids in Baltimore City, Maryland (9/13/2011). Photo by Thomas Wilson. (MBP list)

A Hackberry Petiole Gall Psyllid gall on Common Hackberry in Wicomico Co., Maryland (12/28/2013). Photo by Jim Brighton. (MBP list)

Hackberry Petiole Gall Psyllid galls in Montgomery Co., Maryland (5/9/2016). Photo by Tim Friedlander. (MBP list)

A Hackberry Petiole Gall Psyllid in Washington Co., Maryland (9/25/2016). Verified by Charley Eiseman/BugGuide. Photo by Mark Etheridge. (MBP list)

Hackberry Petiole Gall Psyllid in Montgomery Co., Maryland (7/29/2020). (c) Katja Schulz, some rights reserved (CC BY). Photo by Katja Schulz via iNaturalist. (MBP list)

Hackberry Petiole Gall Psyllid in Montgomery Co., Maryland (7/29/2020). (c) Katja Schulz, some rights reserved (CC BY). Photo by Katja Schulz via iNaturalist. (MBP list)

Hackberry Petiole Gall Psyllid found on Common Hackberry in Anne Arundel Co., Maryland (1/4/2017). Photo by Bill Hubick. (MBP list)

Hackberry Petiole Gall Psyllid in Caroline Co., Maryland (7/26/2021). (c) Wayne Longbottom, some rights reserved (CC BY-NC). Photo by Wayne Longbottom. (MBP list)

Hackberry Petiole Gall Psyllid in Allegany Co., Maryland (4/8/2017). Photo by Bill Hubick. (MBP list)

Hackberry Petiole Gall Psyllid galls on Common Hackberry in St. Mary's Co., Maryland (2/12/2017). Photo by Bill Hubick. (MBP list)

Hackberry Petiole Gall Psyllid in Frederick Co., Maryland (6/9/2016). (c) Jonathan Carpenter, some rights reserved (CC BY-NC). Photo by Jonathan (JC) Carpenter via iNaturalist. (MBP list)

Hackberry Petiole Gall Psyllid in Montgomery Co., Maryland (8/14/2019). (c) mmn noriko, some rights reserved (CC BY-NC). Photo by mmn_noriko via iNaturalist. (MBP list)

Hackberry Petiole Gall Psyllid in Montgomery Co., Maryland (8/14/2019). (c) mmn noriko, some rights reserved (CC BY-NC). Photo by mmn_noriko via iNaturalist. (MBP list)

Hackberry Petiole Gall Psyllid in Talbot Co., Maryland (8/16/2021). (c) Wayne Longbottom, some rights reserved (CC BY-NC). Photo by Wayne Longbottom. (MBP list)

Hackberry Petiole Gall Psyllid in Calvert Co., Maryland (4/30/2023). (c) Deborah Barber, some rights reserved (CC BY-NC). Photo by Deborah Barber via iNaturalist. (MBP list)

Hackberry Petiole Gall Psyllid in Calvert Co., Maryland (4/30/2023). (c) Deborah Barber, some rights reserved (CC BY-NC). Photo by Deborah Barber via iNaturalist. (MBP list)

Hackberry Petiole Gall Psyllid in Caroline Co., Maryland (5/26/2023). (c) Wayne Longbottom, some rights reserved (CC BY-NC). Photo by Wayne Longbottom. (MBP list)

Hackberry Petiole Gall Psyllid in Talbot Co., Maryland (6/30/2023). (c) Wayne Longbottom, some rights reserved (CC BY-NC). Photo by Wayne Longbottom. (MBP list)

Hackberry Petiole Gall Psyllid in Calvert Co., Maryland (12/5/2022). (c) tonyiajohnson, some rights reserved (CC BY-NC). Photo by tonyiajohnson via iNaturalist. (MBP list)

Hackberry Petiole Gall Psyllid in Caroline Co., Maryland (5/30/2021). (c) Wayne Longbottom, some rights reserved (CC BY-NC). Photo by Wayne Longbottom. (MBP list)


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