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Leaf-mine:
A group of four to six leaves are completely mined out from the
base on. The leaves have a hole near their base; these entrances
may be connected by a silken tube. Between the leaves a loose spinning.
All frass is ejected. Mines preferably occur when a tree has been
weakened by weather conditions or insect pest damage (Bladmineerders
van Europa).
Larva:
Orange brown, straw coloured to brick red with light brown head;
much darker during the winter rest. Pronotum darker, with lighter
anterior border (Bladmineerders
van Europa).
Pupa:
Details unknown.
Adult:
Not illustrated in UKMoths (check
for update). The genitalia are not illustrated by the Lepidoptera
Dissection Group (check
for update).
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - larvae: September until end-May (Bladmineerders
van Europa)
Time
of year - adults: Unknown.
Distribution
in Great Britain & Ireland: British Is. (Karsholt &
van Nieukerken in Fauna
Europaea).
NBN
Grid map:
Distribution
elsewhere: Widespread in Europe including Austria, Czech Republic,
French mainland, Germany, Hungary, Italian mainland and Slovakia
(Karsholt & van Nieukerken in Fauna
Europaea).
NBN
interactive distribution maps of known host species in Britain and
elsewhere:
Parasitoids
in Britain and elsewhere:
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