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Leaf-mine:
A long gallery, frass dispersed or linear (British
leafminers). The mine is also illustrated in Nederlandse
bladmineerders and UKMoths.
Larva:
The larva is yellow (British
leafminers).
Pupa:
Details unknown.
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - mines: July - August, September - October (British
leafminers; UKMoths).
Time
of year - adults: On the wing in May and August (UKMoths).
Distribution
in Britain: A species which is spreading north and west since
its discovery in Hants in 1914. It has now extended its range to
York, though it is still scarce in the north (UKMoths)
including Derby, Hunts, Isle of Wight, Middlesex, North Devon, North
Hants, South Lancaster, West Kent and West Suffolk (NBN
Gateway distribution map - BRERC,
GiGL, NE
and SHWRG).
See also British
leafminers distribution map.
Distribution
elsewhere: Widespread in Europe including Austria, Belgium,
Bulgaria, Croatia, Czech Republic, Danish mainland, French mainland,
Germany, Greek mainland, Hungary, Italian mainland, Macedonia, Poland,
Romania, Slovakia, Slovenia, Spanish mainland, Switzerland, The
Netherlands, Ukraine and Yugoslavia (Karsholt & van Nieukerken
in Fauna
Europaea).
Parasitoids:
Unknown.
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