The leaf rosette is covered by several larvae with a spinning, under
which each larva mines out a few leaves. Sometimes a leaf contains
one or a few large frass pellets. Pupation outside the mine (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).
Head and prothoracic plate black. Body spindle-shaped, dull olive
green with a slightly darker dorsal line; reddish brown markings
laterally on each segment; venter green (Agassiz, 1996a). The larva,
illustrated on www.lepiforum.de (2009) looks rather different (Bladmineerders van Europa).
Pupa: The pupae of moths have visible head appendages, wings and legs which lie in sheaths (see examples).
The adult is not illustrated in UKMoths (check for update). The genitalia are not illustrated by the Lepidoptera
Dissection Group (check for update).
Hosts in Great Britain & Ireland:
of year - larvae: Currently unknown.
of year - adults: Currently unknown.
in Great Britain & Ireland: Britain (Karsholt and van Nieukerken in Fauna Europaea).
recorded in the Republic of Ireland (Karsholt and van Nieukerken
in Fauna Europaea). See Ireland's NDBC interactive map.
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Distribution elsewhere: Widespread in continental Europe including Austria, Bosnia and
Herzegovina, French mainland, Germany, Italian mainland, Macedonia,
Poland, Slovakia, Spanish mainland, Switzerland and Yugoslavia (Karsholt
and van Nieukerken in Fauna Europaea).
NBN Interactive Grid Maps of known host species:
British and Irish Parasitoids in Britain and elsewhere: Currently unknown.