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Leaf-mine:
The initial gallery has clear margins, with broken linear frass.
The later mine is a blotch formed by many turns (British
leafminers).
Larva:
The
golden yellow larva is illustrated in Nederlandse
blamineerders (British
leafminers).
Pupa:
Details unknown.
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - mines: August - October (British
leafminers).
Time
of year - adults: Unknown.
Distribution
in Britain: British Is. (Karsholt & van Nieukerken in Fauna
Europaea) including Cambridge, East Kent, East Sutherland, Edinburgh,
Hereford, Linlithgow, Middlesex, South Aberdeen, South Hants, South
Wilts, Stirling and Worcester (NBN
Gateway distribution map - GiGL,
HBRG, JNCC,
NE,
NESBRC
and SNH). See
also British
leafminers distribution map.
Distribution
elsewhere: Widespread in Europe including Austria, Belgium,
Bulgaria, Croatia, Czech Republic, Danish mainland, Estonia, Finland,
French mainland, Germany, Hungary, Italian mainland, Latvia, Lithuania,
Norwegian mainland, Poland, Romania, Russia - Central and East,
Slovakia, Slovenia, Spanish mainland, Sweden, Switzerland, The Netherlands,
Ukraine and Yugoslavia. Also recorded in East Palaearctic (Karsholt
& van Nieukerken in Fauna
Europaea).
Parasitoids:
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