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Leaf-mine:
The initial gallery is twisted and can follow the leaf edge. It
contains broken linear frass. it then widens to form a blotch or
gallery, with scattered frass (British
leafminers).
Larva:
Details unknown.
Pupa:
It pupates in the mine (British
leafminers).
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - mines: August - November (British
leafminers).
Time
of year - adults: Unknown.
Distribution
in Britain: British Is. (Karsholt & van Nieukerken in Fauna
Europaea) including East Kent (NBN
Gateway distribution map - NE).
See also British
leafminers distribution map.
Distribution
elsewhere: Widespread in Europe including Austria, Belgium,
Bulgaria, Croatia, Czech Republic, Estonia, Finland, French mainland,
Germany, Greek mainland, Hungary, Italian mainland, Latvia, Republic
of Moldova, Poland, Romania, Slovakia, Slovenia, Sweden, Switzerland
and Ukraine (Karsholt & van Nieukerken in Fauna
Europaea).
Parasitoids:
Unknown.
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