and case-bearer: Larva in a huge (19 mm) shining black tubular silken case; mouth
angle 60°. The end of the case is strongly rolled in (remnant
of the youth case) and bears a small pallium (Bladmineerders van Europa).
final case is the largest of any coleophorid in the UK, being 19mm
long. The anal end of this case incorporates the remains of the
spiral first case and is hooded in a pallium (British
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).
Described in detail by Emmet at al. (1996a) (Bladmineerders van Europa).
Pupa: The pupae of moths have visible head appendages, wings and legs which lie in sheaths (see examples).
The adult is illustrated in UKMoths. The male and female genitalia are illustrated by the Lepidoptera
A very rare and declining species, known from a very few sites in
the UK. (British
Hosts in Great Britain & Ireland:
of year - larvae: September - June (British
of year - adults: Currently unknown.
in Great Britain & Ireland: Britain including the Channel
Is. (Karsholt and van Nieukerken in Fauna Europaea) including East Sussex (VC14), South Hampshire (VC11), West Kent (VC16), West Sussex (VC13) and Worcestershire (VC37) (NBN
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Distribution elsewhere: Widespread in continental Europe including Albania, Austria,
Belgium, Bulgaria, Croatia, Czech Republic, French mainland, Germany,
Hungary, Italian mainland, Luxembourg, Poland, Portuguese mainland,
Romania, Russia - South, Slovakia, Spanish mainland, Switzerland,
The Netherlands and Ukraine. Also recorded in East Palaearctic and
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: