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 (as shown in surface view). Rediscovered in the UK after over 100 years and now spreading into Eastern and Central England.

Data: 28.ix.2025, Downham Market, Norfolk, VC28

Image:© Rob Edmunds