narrow, long, corridor, of which the course largely is dictated
by the venation; the mine may change direction (up/down). The larva
may leave its mine and restart elsewhwere. Pupation within the mine;
pupa in a white cocoon, just above the waterline (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).
Whitish; head black; pronotum laterally with a black spot (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 not illustrated by the Lepidoptera Dissection Group (check for update).
Hering (1957a) and older authors also mention Phragmites australis
[as a host]; this is not repeated by later authors, and possibly
stems from confusion with other species (Bladmineerders van Europa)
Hosts in Great Britain & Ireland:
of year - larvae:
March - May (Hering, 1957).
of year - adults: Currently unknown.
in Great Britain & Ireland: Britain including Berkshire (VC22),
Cambridgeshire (VC29), East Norfolk (VC27), North Wiltshire (VC7), Oxfordshire (VC23) and South
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elsewhere: Widespread in continental Europe including Danish
mainland, Finland, French mainland, Germany, Hungary, Latvia, Norwegian
mainland, Poland, Slovakia, Sweden, 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: Currently unknown.