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Leaf-miner: Oviposition in a leaf axil. From there ascends a narrow corridor with a thin frass line. When the mine is 2-3 cm long the direction reverses. The result is an elongate, whitish, lightly inflated blotch with dispersed frass. Pupation external (Bladmineerders van Europa).

Larva: The larvae of moths have a head capsule and chewing mouthparts with opposable mandibles (see video of a gracillarid larva feeding), six thoracic legs and abdominal legs (see examples).

Described by Steuer (1980a). The larva is yellowish with a dark brown head and a light brown prothoracic plate (Bladmineerders van Europa).

Pupa: The pupae of moths have visible head appendages, wings and legs which lie in sheaths (see examples).

Adult: The adult is illustrated in UKMoths, although it may not be that sepcies and is more likely to be Elachista triatomea. The species is included in mothdissection.co.uk.

Hosts in Great Britain and Ireland:

Hosts elsewhere:

Cyperaceae
Carex	x prolixa	Acute Tufted-sedge		Bladmineerders van Europa, as acuta subsp. prolixa
Carex	flacca	Glaucous sedge		Bladmineerders van Europa

Time of year - larvae: September-April (Bland, 1996a).

Time of year - adults: Currently unknown.

Distribution in Great Britain and Ireland: Britain including Bedfordshire, Berkshire, Caernarvonshire, Cambridgeshire, Dorset, Durham, East Norfolk, East Suffolk, East Sussex, Glamorgan, Hertfordshire, Isle of Wight, Shropshire, Stafford, Surrey, West Gloucestershire, West Kent, West Norfolk and Westmorland (NBN Atlas).

Distribution elsewhere: Widespread in continental Europe including Austria, Belgium, Croatia, Czech Republic, French mainland, Germany, Hungary, Italian mainland, Portuguese mainland, Romania, Sardinia, Slovakia, Sweden, Switzerland, The Netherlands and Ukraine (Fauna Europaea).

NBN Atlas links to known host species:

British and Irish Parasitoids in Britain and elsewhere: