Leaf-miner
and case-bearer: A straw-coloured, slender, three-valved tubular silken case, about
10 mm long. Mouth angle 45° to 60°. Perhaps because of the
plant's dense felt cover, the case is attached with much silk, giving
the holes a conspicuous white margin (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).
The larva is illustrated in (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 illustrated in UKMoths. The species is included in mothdissection.co.uk.
Hosts in Great Britain and Ireland:
Hosts
elsewhere:
Time
of year - larvae:
August until June of the following year (Bladmineerders van Europa).
Time
of year - adults: Currently unknown.
Distribution
in Great Britain and Ireland: Widespread in Britain including
Bedfordshire, Cambridgeshire, East Cornwall, East Suffolk, Hereforshire, Isle of Wight, Kincardineshire, Middlesex, North Essex,
North Hampshire, Pembrokeshire, South Devon, South Essex, South Hampshire, South Northumberland, South-east Yorkshire, South-west Yorkshire, Surrey,
West Cornwall and West Suffolk (NBN
Atlas).
Also
recorded in the Republic of Ireland (Fauna Europaea).
Distribution
elsewhere: Widespread in continental Europe including Albania,
Austria, Belgium, Croatia, Czech Republic, Danish mainland, Estonia,
Finland, French mainland, Germany, Hungary, Italian mainland, Latvia,
Lithuania, Norwegian mainland, Poland, Romania, Russia - Central
and North, Sardinia, Slovakia, Slovenia, Spanish mainland, Sweden,
Switzerland and The Netherlands. Also recorded in East Palaearctic
(Fauna Europaea).
NBN Atlas links to known host species:
British and Irish Parasitoids in Britain and elsewhere:
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