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

There are 2 records in the project database.

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 Frederick Co., Maryland (1/20/2018). Photo by Sue Muller. (MBP list)

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