Food Plant: Carex flacca (Glaucous sedge), Carex spp (Sedges), Deschampsia cespitosa (Tufted Hair-grass)

Egg: laid on the leaf tip

Mine: October-April

Notes: May either make a short broad mine, which fills the leaf tip or a broader one which occupies half the leaf (between the midrib and leaf edge). There may be more than one mine in a leaf. the larva overwinters in the mine and extends it in the spring. Pupation occurs in nthe angle of a leaf, under a girdle. Found in chalky and sandy areas throughout Ireland and Britain

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