Uncommon local resident.
Malus sylvestris, Crataegus spp., Prunus avium, Pyrus spp., Sorbus torminalis, with larva mining for two years. Initially making a strongly curved case of leaf fragments in which it overwinters, feeding in the next spring and early summer, enlarging the case into a semicircle. In the next spring constructing a long, brown trivalved case in which it feeds until June, making large, brown blotch mines. Recorded in 16 (11%) of 140 10k Squares. First Recorded in 1982. Last Recorded in 2023. (Data up to end 2023) |