Tubular leaf case, 6-7 mm long, light, later dark brown, trivalved,
with a mouth angle of 45°. The larva lives at the underside
of the leaf, and makes sizable full depth mines there (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 illustrated in UKMoths. The male
genitalia are illustrated by the Lepidoptera Dissection Group.
Hosts in Great Britain & Ireland:
of year - larvae:
The larvae are full grown by end-May (Bladmineerders van Europa).
of year - adults: Currently unknown.
in Great Britain & Ireland: Britain including Bedfordshire (VC30),
East Cornwall (VC2), East Sussex (VC14), North Essex (VC19), North Somerset (VC6), North Wiltshire (VC7),
South Devon (VC3), South Essex (VC18), South Wiltshire and West Cornwall (NBN
NBN Grid Map:
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elsewhere: Widespread in continental Europe including Austria,
Belgium, Croatia, Czech Republic, Danish mainland, French mainland,
Germany, Hungary, Italian mainland, Latvia, Lithuania, Norwegian
mainland, Poland, Romania, Russia Central and South, Slovakia, Sweden,
Switzerland and The Netherlands. Also recorded in Near East (Karsholt
and van Nieukerken in Fauna Europaea).
NBN Interactive Grid Maps of known host species:
domestica subsp. insititia, Prunus
British and Irish Parasitoids in Britain and elsewhere: