A species of wasp in the Cynipidae family. Induces galls in blackberry stems: "Rounded or long stem swellings, sometimes with 4 or 5 deep longitudinal furrows, length 2 to 6 inches.
Similar species: Wasps, Bees, Sawflies And Ants
By morpheme
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Uploaded Sep 10, 2021. Captured Sep 9, 2021 17:39 in 1801-2399 84th Ave SE, Mercer Island, WA 98040, USA.
