Leaf-miner: A broad twisting gallery, almost frass filled (British
leafminers).
Egg
at the upperside of the leaf. The mine is an irregular, broad corridor
with a conspicuous, broad, black frass line that almost fills the
gallery, leaving only a narrow transparant zone at either side.
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).
Yellow; laying dorsum upwards in the mine. Gustafsson and van
Nieukerken (1990a) give a description (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 not illustrated in UKMoths (check for update). The species is included in mothdissection.co.uk.
Hosts in Great Britain and Ireland:
Hosts elsewhere:
Time
of year - larvae: July, October - March (British
leafminers).
Time
of year - adults: Currently unknown.
Distribution
in Great Britain and Ireland: Britain including Bedfordshire,
Cambridgeshire, Dorset, East Cornwall, East Norfolk, East Suffolk,
Glamorgan, Hertfordshire, Isle of Wight, Leicestershire, Middlesex, North Essex, North Somerset,
Pembrokeshire, South Devon, West Gloucestershire, West Norfolk and West Suffolk (NBN
Atlas).
See also British
leafminers distribution map.
Distribution
elsewhere: Widespread in continental Europe including ? Balearic
Is., Bosnia and Herzegovina, Corsica, Croatia, French mainland,
Italian mainland, Portuguese mainland, Sardinia, Sicily, Slovenia
and Spanish mainland. Also recorded in North Africa (Fauna Europaea).
NBN Atlas links to known host species:
British and Irish Parasitoids in Britain and elsewhere:
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