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Leaf-mine:
A tortuous lower epidermal mine with a central brownish frass-line.
The larva then mines into the petiole and subsequently into a second
leaf, normally opposite, where it creates another similar epidermal
mine (British
leafminers). The mine is also illustrated in UKMoths
and Nederlandse
bladmineerders.
Larva:
The larva is illustrated in British
leafminers.
Pupa:
Under a membrane on the margin of leaf (British
leafminers).The pupa is illustrated in Nederlandse
bladmineerders.
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - mines: June, August -September (British
leafminers).
Time
of year - adults: Two generations, in July and from September
through to April. The overwintering adults are sometimes found in
thatch or haystacks (UKMoths).
Distribution
in Britain: This rather local species is distributed in the
south and south-east of England, and is generally uncommon (UKMoths)
including North Hants, South Devon and West Gloucester (NBN
Gateway distribution map - JNCC
and NE).
See also British
leafminers distribution map.
Distribution
elsewhere: Widespread in Europe including Austria, Belgium,
Corsica, Croatia, Czech Republic, Danish mainland, Estonia, French
mainland, Germany, Hungary, Italian mainland, Latvia, Lithuania,
Macedonia, Poland, Portuguese mainland, Romania, Russia - Central,
East, Northwest and South, Sardinia, Sicily, Slovakia, Sweden, Switzerland,
The Netherlands and Ukraine (Karsholt & van Nieukerken in Fauna
Europaea).
Parasitoids:
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