Acari: Eriophyoidea - gall mite Aceria genistae Photographs on Cytisus scoparius, Broom Hosts: Cytisus albus, scoparius and Genista cinerea, pilosa, tinctoria Can be very abundant when present, galls 5-40 mm wide. Mites pale pinky-orange (personal observation)

Aceria genistae
Corfe Hills, Dorset. November 2016, February and December 2018