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Leaf-mine:
A silvery sinuous gallery on the upper side, leading to a large,
papery blotch. Sometimes several galleries lead to the same blotch
(British
leafminers).
Larva:
The larva is illustrated in Nederlandse
bladmineerders.
Pupa:
In silken cocoon amongst detritus; occasionally inside mine (British
leafminers).
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - mines: May - June (British
leafminers).
Time
of year - adults: End of July. It can also overwinter and be
found again in April and May (UKMoths).
Distribution
in Britain: This is a very local species (UKMoths).
Records include Cambridge, North Essex, North Hants, Salop, South
Hants, South Lancaster, Stafford, Surrey, West Suffolk, Worcester
(NBN
Gateway distribution map - BRERC,
NE
and SHWRG)
and the Channel Islands. See also British
leafminers distribution map.
Also
recorded in the Republic of Ireland (Karsholt & van Nieukerken
in Fauna
Europaea; UKMoths).
Distribution
elsewhere: Widespread in Europe including Austria, Belarus,
Belgium, Bulgaria, Corsica, Croatia, Czech Republic, Danish mainland,
Finland, French mainland, Germany, Greek mainland, Hungary, Italian
mainland, Latvia, Luxembourg, Macedonia, Norwegian mainland, Poland,
Portuguese mainland, Romania, Russia - Central, East, Northwest
and South, Sardinia, Sicily, Slovakia, Spanish mainland, Sweden,
Switzerland, The Netherlands and Ukraine (Karsholt & van Nieukerken
in Fauna
Europaea).
Parasitoids:
Unknown.
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