and case-bearer: Larva feeds on seeds. The larva also feeds on leaves after the case
is formed. The full-grown case is 6 mm long (British
grown larva in an almost smooth, greyish-brown, trivalved, tubular
silken case of c. 6 mm and a mouth angle of 30-45° (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 male and female genitalia are illustrated by the Lepidoptera
Hosts in Great Britain & Ireland:
of year - larvae: September to October (British
of year - adults: Currently unknown.
in Great Britain & Ireland: Britain including East Suffolk
and North Essex (NBN
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elsewhere: Widespread in continental Europe including Bulgaria,
Cyprus, French mainland, Hungary, Italian mainland, Portuguese mainland,
Sicily, Slovakia, Spanish mainland, The Netherlands and the Ukraine.
Also recorded in the Near East (Karsholt and van Nieukerken in Fauna Europaea).
NBN Interactive Grid Maps of known host species:
British and Irish Parasitoids in Britain and elsewhere: