Leaf-miner: Large, lower-surface tentiform mine with several folds that cause the leaf to contract strongly. Leaf around the mine often coloured violet. Pupa in a cocoon, frass in a corner of the mine. Mainly on seedlings and ground leaves (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).
The adult is not illustrated in UKMoths (check for update). The genitalia are not illustrated by the Lepdiptera
Dissection Group (check for update).
Hosts in Great Britain & Ireland:
of year - larvae: July - August and overwintering October-April
(Bladmineerders van Europa).
of year - adults: Currently unknown.
in Great Britain & Ireland: Britain including North Somerset
and West Gloucestershire
See also British
leafminers distribution map.
NBN Grid Map:
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elsewhere: Widespread in continental Europe including Austria,
Czech Republic, French mainland, Germany, Italian mainland, Poland,
Russia - South, Slovakia, Spanish mainland, Switzerland, The Netherlands
and Ukraine (Karsholt and van Nieukerken in Fauna Europaea).
NBN Interactive Grid Maps of known host species:
British and Irish Parasitoids in Britain and elsewhere: