Leaf-miner: The larvae forms large whitish or translucent blotches (UKMoths).
Rather
large, untidy blotch, full-depth for most of its surface, very transparent,
without feeding lines and without association with midrib or leaf
margin. The larva makes several mines. Often only its anterior part
is inserted in the mine, that remains free of frass then. Pupation
outside the mine in a silk cocoon (Bladmineerders van Europa).
The
mine is also illustrated in British
leafminers.
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, British
leafminers and UKMoths.
Pupa: The pupae of moths have visible head appendages, wings and legs which lie in sheaths (see examples).
The pupa is illustrated in British
leafminers and UKMoths
and is formed in a cocoon fashioned from a network of silk.
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, September (British
leafminers).
Time
of year - adults: The adults generally emerge in two generations,
firstly in July and then in October, the second brood overwintering
in this stage (UKMoths).
Distribution
in Great Britain and Ireland: A small inconspicuous species,
distributed mainly in the southern half of England, with a few scattered
records further north, although it is probably overlooked (UKMoths);
Anglesey, Bedfordshire, Berkshire, Breconshire, Cambridgeshire, Cheshire, Denbighshire,
Derbyshire, East Cornwall, East Kent, East Gloucestershire, East Kent, East Norfolk, East Suffolk, Flintshire, Glamorgan, Hertfordshire, Huntingdonshire, Isle of Wight,
Leicestershire, Middlesex, North Essex, North Hampshire, North Somerset,
Pembrokeshire, Shropshire, South Hampshire, South Somerset, Stafford, West Conrwall, West Gloucestershire, West Lancashire, West Norfolk and West Suffolk (NBN
Atlas). Also Yardley Chase, Northants (British
leafminers).
Also recorded in the Republic of Ireland (National Biodiversity Data Centre Map).
Distribution
elsewhere: Widespread in continental Europe including Austria,
Belgium, Bulgaria, Corsica, Croatia, Czech Republic, Danish mainland,
Estonia, Finland, French mainland, Germany, Hungary, Italian mainland,
Latvia, Poland, Portuguese mainland, Romania, Russia - Central,
Slovakia, Sweden, Switzerland, The Netherlands and Yugoslavia (Fauna Europaea).
NBN Atlas links to known host species:
British and Irish Parasitoids in Britain and elsewhere:
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