Food Plant: Crataegus (Hawthorn), Malus (Apple), Sorbus (Whitebeam/Rowan), occasionally other Rosaceae (Rose).

Egg: Underside of leaf

Mine: August-September

Pupa: In a silken cocoon, usually on detritus

Notes: A circular or oval brownish blotch with a central spiral of dense blackish frass. The larva is pale green with a dark head (as shown in ventral view (top) and dorsal view) - top photo. It is shown in dorsal view (middle photo) and dorso-lateral view (bottom photo).

Data: 2.viii.2006, Stratford upon Avon, Warwickshire, VC 38 (top photo); 07.viii.2010, Downham Market, Norfolk, VC28 (middle and bottom photos)

Image:© Ben Smart (top photo); Rob Edmunds (middle and bottom photos)