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Leaf-mine:
The mine begins as a contorted gallery, when the young larva can
be seen to have dark plates on each segment. These plates are later
lost and the gallery becomes a blotch with scattered frass (UKMoths).
Larva:
Details unknown.
Pupa:
Details unknown.
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - mines: July - September (British
leafminers; UKMoths).
Time
of year - adults: There is one generation, with adults in May
and June (UKMoths).
Distribution
in Britain: A relatively local species occurring in the south
and west of England and parts of Scotland (UKMoths)
including Dunbarton, East Perth, East Ross, Easterness, Edinburgh,
Lanark, Mid Perth, North Aberdeen, North Ebudes, North Hants, Peebles,
Selkirk, South Aberdeen, South Hants, South Lancaster, South Wilts
and Stirling (NBN
Gateway distribution map - HBRG,
NE,
NESBRC, SNH
and SHWRG).
See also British
leafminers distribution map.
It
also occurs in south-west Ireland (UKMoths).
Distribution
elsewhere: Widespread in Europe including Austria, Czech Republic,
Danish mainland, Estonia, Finland, French mainland, Germany, Italian
mainland, Latvia, Lithuania, Norwegian mainland, Poland, Russia
- North, Slovakia, Sweden, Switzerland and The Netherlands. Also
recorded in the East Palaearctic (Karsholt & van Nieukerken
in Fauna
Europaea).
Parasitoids:
Unknown.
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