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Leaf-mine:
Initially a lower epidermal gallery leading to a grey or whitish
blotch which contorts the leaf strongly. Then at least two folds
on the leaf margin, consuming the upper epidermis (British
leafminers).
Larva:
Larva
grey with black rings on legs (British
leafminers). The larva is illustrated in UKMoths
and Nederlandse
bladmineerders.
Pupa:
In
a cocoon in folded leaf-margin (British
leafminers).
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - mines: June-July, August-October (British
leafminers).
Time
of year - adults: There are two generations, flying in May and
again in August (UKMoths).
Distribution
in Britain: Southern half of England and Wales, ranging northwards
to York (UKMoths).
including North Devon, North Hants, Salop, South Devon, South Hants,
South Wilts, South-west York, Surrey (NBN
Gateway distribution map - BRERC,
GiGL, JNCC
and NE)
and the Channel Is. (Karsholt & van Nieukerken in Fauna
Europaea). See also British
leafminers distribution map.
Distribution
elsewhere: Widespread in Europe including Austria, Belarus,
Belgium, Czech Republic, Danish mainland, Finland, French mainland,
Greek mainland, Hungary, Italian mainland, Luxembourg, Republic
of Moldova, Poland, Romania, Russia - Central, Northwest and South,
Sardinia, Slovakia, Sweden, Switzerland, The Netherlands and Ukraine.
Also recorded in Near East (Karsholt & van Nieukerken in Fauna
Europaea).
Parasitoids:
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