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Leaf-mine:
Initially a narrow brownish mine with blackish frass at its base,
then moves to another leaf, forming a broader mine. Both mines can
pucker the blade (British
leafminers).
Larva:
Details unknown.
Pupa:
Attached to leaf or stem with silken girdle (British
leafminers).
Hosts
in Britain:
Hosts
elsewhere: Unknown.
Time
of year - mines: October-April, July (British
leafminers).
Time
of year - adults: Unknown.
Distribution
in Britain: British Is. (Karsholt & van Nieukerken in Fauna
Europaea) including Herts, Isle of Wight, North Hants, South
Wilts, Surrey and West Kent (NBN
Gateway distribution map - JNCC
and NE).
See also British
leafminers distribution map.
Also
recorded in the Republic of Ireland (Karsholt & van Nieukerken
in Fauna
Europaea).
Distribution
elsewhere: Widespread in Europe including Austria, Belgium,
Czech Republic, Danish mainland, Estonia, French mainland, Germany,
Hungary, Italian mainland, Latvia, Norwegian mainland, Poland, Portuguese
mainland, Romania, Russia - East, Slovakia, Spanish mainland, Sweden,
Switzerland and Ukraine (Karsholt & van Nieukerken in Fauna
Europaea).
Parasitoids:
Unknown.
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