Leaf-miner: The
leaf is curled over by the mine, which is underside and usually
near the leaf base (British
leafminers).
Lower-surface
tentiform mine against the leaf margin, mostly not far from the
petiole, often two in a leaf. The mine is contracted tube-like.
Frass packed in a corner of 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).
Pupa: The pupae of moths have visible head appendages, wings and legs which lie in sheaths (see examples).
Pupa yellowish brown. No visible cocoon (coincides with the lining
of the mine) (Bladmineerders van Europa).
Adult:
The adult is illustrated in UKMoths. The species is included in mothdissection.co.uk.
Hosts in Great Britain and Ireland:
Hosts elsewhere:
Time
of year - larvae: June - July; September - October (British
leafminers).
Time
of year - adults: Currently unknown.
Distribution
in Great Britain and Ireland: Britain including Cambridgeshire,
Cumberland, Denbighshire, Dorset, Durham, East Norfolk, Hertforshire, North Hampshire, South-west Yorkshire, West Norfolk and West Suffolk (NBN
Atlas).
Local
and uncommon. Found in marshy areas in Osier beds. See also British
leafminers distribution map.
Also
recorded in the Republic of Ireland (Fauna Europaea and National Biodiversity Data Centre Map).
Distribution
elsewhere: Widespread in continental Europe including Austria,
Belgium, Czech Republic, French mainland, Germany, Italian mainland,
Latvia, Lithuania, Poland, Slovakia, The Netherlands and Ukraine
(Fauna Europaea).
NBN Atlas links to known host species:
British and Irish Parasitoids in Britain and elsewhere:
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