Nepticulidae ABH 4.030 B&F 99   *   Stigmella hybnerella Leaf mine photographs on Hawthorn, Crataegus monogyna. Adult ex mine Wingspan: 4-5mm Season: Two generations, April-May and July-August Food plants: Rosaceae: Hawthorn (Crataegus), also found on Sorbus, Amelanchier, Cotoneaster Mine: May-June and July-September Egg can be laid on either side of leaf. The early gallery with linear frass widens abruptly into a blotch with dispersed frass. The blotch is often near the leaf margin. Larva is white with a brown head.

Stigmella hybnerella
Leaf mine on Hawthorn, Crataegus monogyna. Ballard Down, Dorset. August 2017. Adult ex mine August 2017