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.