Gall -Diastrophus nebulosus

Habitat: Growing on the twigs of blackberry. Mixed forest.

comments (2)

Ferdy Christant

Lion

Do you think this is a cluster of galls, or a single one? Posted 6 years ago
1. Christine Young
  
  Lion
  
  I don't know. It could be a cluster. It could just be one, multi-celled gall. I think it could be a knot gall caused by Diastrophus nebulosus, or a similar species? Posted 6 years ago, modified 5 years ago

The Blackberry Knot Gall Wasp

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.

Info 7 0

Similar species: Wasps, Bees, Sawflies And Ants

Species identified by Christine Young