Food Plant: Agrostis spp. (bent grass), Festuca (Schendonorus) arundinaceus (Tall Fescue), Deschampsia cespitosa (Tufted hair-grass), Brachypodium pinnatum (tor-grass), Carex spp.,

Egg: at leaf tip (singly or in groups)

Mine: February-May; July

Notes: Mines downwards from leaf tip to stem. Makes a long narrow yellowish mine. May be up to four larvae in one leaf. The larvae are yellowish (as shown) with a brown head and prothoracic plate. Adult reared and gen det from Meadow fescue (Festuca pratensis)

National Status: Nationally Scarce B

Bradley No: 633

Data: 07.vi.2021, Otmoor Ranges, Oxfordshire, VC23

Image:© Will Langdon