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Leaf-miner: Eggs are deposited on the upperside of the leaf, mostly in groups of 5-10, less often singly, generally along a vein; the empty shells are flat and shining. The snow-white larvae form large, upper-surface blotches in which considerable larvae may be present, also mines may coalesce. Pupation is external; exit slit in upper epidermis (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).

The larva is illustrated in (Bladmineerders van Europa).

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

Described by Patocka (2000a), Patocka and Turcani (2005a). Pupation is solitary under a conspicuous white spinning in the shape of an 'H' (van Frankenhuyzen and Freriks, 1970a) (Bladmineerders van Europa).

Adult: The adult is not illustrated in UKMoths (check for update). The species is included in mothdissection.co.uk.

Hosts in Great Britain and Ireland:

Salicaceae
Populus	tremula	Aspen		Pitkin & Plant

Hosts elsewhere:

Salicaceae
Populus	alba	White Poplar		Bladmineerders van Europa
Populus	x canadensis	Hybrid Black-poplar		Bladmineerders van Europa
Populus	candicans			Bladmineerders van Europa
Populus	x canescens	Grey Poplar		Bladmineerders van Europa
Populus	deltoides	Necklace Poplar		Bladmineerders van Europa
Populus	gileadensis			Bladmineerders van Europa
Populus	nigra	Black-poplar		Bladmineerders van Europa
Populus	tremula	Aspen		Bladmineerders van Europa
Salix	aurita	Eared Willow		Bladmineerders van Europa
Salix	caprea	Goat Willow		Bladmineerders van Europa
Salix	cinerea	Grey Willow		Bladmineerders van Europa
Salix	fragilis	Crack-willow		Bladmineerders van Europa
Salix	purpurea	Purple Willow		Bladmineerders van Europa

Time of year - larvae: June - September (Bladmineerders van Europa).

Time of year - adults: Currently unknown.

Distribution in Great Britain and Ireland: Currently unknown.

Distribution elsewhere: Widespread in continental Europe including Austria, Belarus, Belgium, Czech Republic, Danish mainland, Estonia, Finland, French mainland, Germany, Hungary, Italian mainland, Kaliningrad Region, Latvia, Lithuania, Norwegian mainland, Poland, Romania, Russia - Central, East and Northwest, Slovakia, Spanish mainland, Sweden, Switzerland, The Netherlands and Ukraine (Fauna Europaea).

NBN Atlas links to known host species:

British and Irish Parasitoids in Britain and elsewhere: