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Leaf-mine:
The mine is underside, between veins, causing leaf to arch.
The lower epidermis is at first white, then brown (British
leafminers). The mine is also illustrated in UKMoths
and Nederlandse
bladmineerders.
Larva:
Details
unknown.
Pupa:
The cremaster is illustrated in British
leafminers and Nederlandse
bladmineerders.
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - mines: July, September - April (British
leafminers), the second generation overwintering in this stage
(UKMoths).
Time
of year - adults: There are two generations, with moths on the
wing in May and August (UKMoths).
Distribution
in Britain: Occurs in the southern counties of England and Wales,
ranging north to Warwick (UKMoths)
including Cambridge, East Kent, East Sussex, Hunts, North Hants,
North Somerset and West Suffolk (NBN
Gateway distribution map - BRERC,
JNCC and NE).
See also British
leafminers distribution map.
Distribution
elsewhere: Widespread in Europe including Austria, Belgium,
Corsica, Croatia, Czech Republic, Estonia, Finland, French mainland,
Germany, Hungary, Italian mainland, Poland, Romania, Russia Central,
Northwest and South, Slovakia, Spanish mainland, Switzerland, The
Netherlands and Ukraine (Karsholt & van Nieukerken in Fauna
Europaea).
Parasitoids:
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