Common in woodland, hedgerows, fens and freshwater margins throughout the British Isles. In Hampshire and on the Isle of Wight widespread and common. Wingspan 17-24 mm. A number of forms of this highly polymorphic species resemble certain forms of A. cristana
, but A. hastiana
can usually be distinguished by the relatively straight costa of the forewing and the presence of numerous small scale-tufts; other forms resemble A. umbrana
and A. abietana
, which see. Larva feeds on various species of Salix
, living within a spun or rolled leaf.