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Leaf-mine:
Larva makes a large whitish blotch and mines the leaf downwards.
The frass tends to be deposited in the upper part of the mine (British
leafminers).
Larva:
The larva is illustrated in British
leafminers and UKMoths.
Pupa:
Anchored
externally on the foodplant by a silken girdle (UKMoths).
The pupa is also illustrated in British
leafminers.
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - mines: October - June; July (British
leafminers).
Time
of year - adults: Between May and August in one or two broods
depending on latitude (UKMoths).
Distribution
in Britain: Occurring widely in England and southern Scotland,
this species is relatively common in damp habitats such as river
and canal banks and marshes (UKMoths)
including Ayr, Cheviotland, East Kent, East Norfolk, Forfar, Hunts,
Kincardine, Kirkudbright, North Hants, South Hants, South Lancaster,
South Wilts, Stafford, Warwick and West Suffolk (NBN
Gateway distribution map - BRERC,
GiGL,
JNCC, NE,
NESBRC,
SNH and SHWRG).
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, European Turkey, Finland,
French mainland, Germany, Hungary, Italian mainland, Latvia, Lithuania,
Luxembourg, Norwegian mainland, Poland, Romania, Russia - Central,
East and North, Slovakia, Sweden, Switzerland and The Netherlands
(Karsholt & van Nieukerken in Fauna
Europaea).
Parasitoids:
Unknown.
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