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Leaf-mine:
The eggs of this species are laid on a leaf, with the larvae mining
the underside of the leaf, until a late instar when it feeds in
a web under the midrib of the leaf, causing visible blotching on
the upperside. The mine is illustrated in UKMoths.
Larva:
The larva is illustrated in UKMoths.
Pupa:
The
larva pupates in August, usually amongst the leaf litter, occasionally
within the web. The pupa is illustrated in UKMoths.
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - mines: Unknown.
Time
of year - adults: The adults emerge in a single generation in
September and hibernate through the winter, re-emerging in spring
(UKMoths).
Distribution
in Britain: England, Wales and southern Scotland (UKMoths)
including Lancaster (Greater Manchester, Chorlton) (UKMoths),
Northumberland, South, Notts, South Devon, South Lancaster, West
Kent (NBN
Gateway distribution map - BRERC,
JNCC, NE
and SHWRG)
and the Channel Is. (Karsholt & van Nieukerken in Fauna
Europaea)
Distribution
elsewhere: Widespread in Europe including Albania, Austria,
Belarus, Belgium, Bulgaria, Czech Republic, Danish mainland, Estonia,
Finland, French mainland, Germany, Greek mainland, Hungary, Italian
mainland, Kaliningrad Region, Latvia, Lithuania, Macedonia, Malta,
Norwegian mainland, Poland, Romania, Russia - Central, East, Northwest
and South, Slovakia, Spanish mainland, Sweden, Switzerland, The
Netherlands and Ukraine (Karsholt & van Nieukerken in Fauna
Europaea).
Parasitoids:
Unknown.
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