Food Plant: Prunus spinosa (Blackthorn) and occasionally Prunus japonica (dwarf flowering cherry), Prunus domestica ssp. institia (Damson), Prunus cerasifera, Malus domestica (Apple) spp. Crategus monogyna (Hawthorn)

Egg: under the leaf cuticle

Mine: July-October

Notes: Forms blotch mines from an initial gallery. Rediscovered in the UK after over 100 years and now spreading into Eastern and Central England. The larva is starting to form a cocoon with silken threads.

Data: 29.ix.2023, Lamby Lake, Monmouthshire, VC35

Image:© Greorge Tordoff