Family: Geometridae Sub-family: Sterrhinae
Flight time: June-August, September-October.
Two distinct forms occur, the typical form having a dark band, the plain form, ab. remutata only with narrow cross-lines.
Larval food plants: Dandelion, Dock, Chickweed, Primrose, Bedstraw
Riband Wave, Idaea aversata
Ballingeary, Co. Cork, SW Ireland. June 2010 and July 2011