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Leaf-mine:
The larva mines young leaves and the narrow initial mine ends
in a blotch. The larva cuts out a section of the leaf and over winters
in this on the ground (British
leafminers).
Larva:
The larva is illustrated in British
leafminers and Nederlandse
bladmineerders.
Pupa:
Details unknown.
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - mines: July - August (British
leafminers).
Time
of year - adults: The adults fly in May and June, and can sometimes
be found in daylight around birches on heaths. It is also attracted
to light (UKMoths).
Distribution
in Britain: Distributed throughout the British Isles (UKMoths)
including (UKMoths)
including Banff, East Cornwall, East Kent, East Perth, East Sutherland,
Easterness, Edinburgh, Elgin, Fife, Isle of Wight, Lanark, Linlithgow,
Mid Perth, Mid-west York, North Aberdeen, North Devon, North Essex,
North Somerset, Peebles, Selkirk, South Aberdeen, South Devon, South
Wilts, Surrey
(NBN
Gateway distribution map - DBRC,
HBRG, JNCC,
LWIC,
NE,
NESBRC
and SNH) and
Northern Ireland (Karsholt & van Nieukerken in Fauna
Europaea). 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, Finland, French mainland,
Germany, Hungary, Latvia, Lithuania, ? Luxembourg, Norwegian mainland,
Poland, Russia - Central, North and Northwest, Sweden, Switzerland
and The Netherlands (Karsholt & van Nieukerken in Fauna
Europaea).
Parasitoids:
Unknown.
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