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Leaf-mine:
The pale-coloured mine runs on the upper side irregularly to
the sides, in the middle with blackish spots, where the frass is
deposited. It starts in the center of a leaf and without a small
mine leading to a large mine. Many mines in a leaf could finally
cover the whole leaf (British
leafminers).
Larva:
Details unknown.
Puparium:
Details unknown.
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - mines: Autumn.
Time
of year - adults:
Unknown.
Distribution
in Britain: Recorded
in Britain by Ackland (1978).
Rarely found in the the UK. Recorded from Somerset, Oxford, Suffolk
and Cambridge (British
leafminers) and West Kent (NBN
Gateway distribution map - NE).
Distribution
elsewhere: Europe including Czech Republic, French mainland,
Germany, Poland, Slovakia and Switzerland (Michelsen, 2004 in Fauna
Europaea).
Parasitoids:
Unknown.
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