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Leaf-mine:
A gallery with frass partly dispersed, but sometimes in a thin
line (as S. alnetella).
The moths must be bred through to distinguish between this and S.alnetella
(British
leafminers).
Larva:
Details
unknown.
Pupa:
Details
unknown.
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - mines: July, September - October (British
leafminers).
Time
of year - adults: Unknown.
Distribution
in Britain: British Is. (Karsholt & van Nieukerken in Fauna
Europaea) including East Cornwall, East Kent, East Perth, Hereford,
Isle of Wight, Middlesex, North Essex, North Hants, South Aberdeen,
South Hants, South Wilts, Stirling, West Gloucester and Worcester
(NBN
Gateway distribution map - GiGL,
NE,
NESBRC
and SNH). 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,
Corsica, Croatia, Czech Republic, Danish mainland, Estonia, Finland,
French mainland, Germany, Hungary, Italian mainland, Latvia, Lithuania,
Norwegian mainland, Poland, Portuguese mainland, Romania, Russia
- Central, Sardinia, Slovakia, Slovenia, Sweden, Switzerland, The
Netherlands, Ukraine and Yugoslavia (Karsholt & van Nieukerken
in Fauna
Europaea).
Parasitoids:
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