Acari: Eriophyoidea - gall mite Aculus magnirostris Gall on Salix fragilis, Crack Willow Hosts: Salix alba, babylonica, fragilis, purpurea Long narrow roll on leaf margin lined with hairs and containing mites. Initially green, becomes reddish-brown with age Mite-induced leaf margin rolls are also found on Salix caprea, cinerea and viminalis but these cannot be identified

Aculus magnirostris
Wimborne, Dorset. May 2018