Maryland Biodiversity Project - Blackberry Knot Gall Wasp (Diastrophus nebulosus)

Blackberry Knot Gall Wasp Diastrophus nebulosus (Osten Sacken, 1861)

There are 16 records in the project database.

A gall formed on blackberry by a Blackberry Knot Gall Wasp in St. Mary's Co., Maryland (1/1/2019). Photo by Jim Brighton. (MBP list)

Blackberry Knot Gall Wasp in Frederick Co., Maryland (7/27/2020). Photo by Mark Etheridge. (MBP list)

A Blackberry Knot Gall Wasp gall in Montgomery Co., Maryland (12/27/2018). Photo by Bonnie Bell. (MBP list)

A Blackberry Knot Gall Wasp gall in Howard Co., Maryland (3/17/2020). Photo by Matthew Beziat. (MBP list)

A Blackberry Knot Gall Wasp gall in Montgomery Co., Maryland (12/30/2018). Photo by Bonnie Bell. (MBP list)

A Blackberry Knot Gall Wasp gall in Montgomery Co., Maryland (4/29/2018). Verified by Charlie Eiseman/BugGuide. Photo by Bonnie Bell. (MBP list)

A Blackberry Knot Gall Wasp gall in Montgomery Co., Maryland (12/26/2019). Photo by Bonnie Bell. (MBP list)

A Blackberry Knot Gall Wasp gallin Harford Co., Maryland (3/17/2018). Verified by Charley Eiseman/BugGuide. Photo by Dave Webb. (MBP list)

A Blackberry Knot Gall Wasp gall in Allegany Co., Maryland (6/4/2016). Photo by Andy Gougherty. (MBP list)

A Blackberry Knot Gall Wasp gall in Frederick Co., Maryland (1/20/2018). Determined by Charley Eiseman/BugGuide. Photo by Sue Muller. (MBP list)

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