Hymenoptera: Cynipidae - gall wasp Diplolepis nervosa Sputnik Gall Photographs on Rosa canina agg., Dog-rose Hosts: Rosa canina, glauca, moyesii, rubiginosa Single-chambered, the white larva hibernating and pupating in the gall. The gall occurs in two forms - smooth or with spines. Only the form with spines can be safely identified as the smooth form requires breeding and examination of the adult to separate from Diplolepis eglanteriae.

Diplolepis nervosa, Sputnik Gall
Pamphill, Dorset. October 2017