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Leaf-mine:
The mine is rounded, between veins. The lower epidermis appears
smooth or with several small creases (British
leafminers).The mine is also illustrated in UKMoths
and Nederlandse
bladmineerders.
Larva:
The larva is illustrated in Nederlandse
bladmineerders. The cremaster is illustrated in British
leafminers.
Pupa:
Details
unknown.
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - mines: July, October (British
leafminers).
Time
of year - adults: May and August are the flight periods for
the two generations of adults (UKMoths).
Distribution
in Britain: Commonest in south-east England, but is expanding
northwards and has recently been found as far north as York (UKMoths)
including Cambridge, East Kent, North Devon, North Hants, South
Essex, South Hants, South Lancaster, Surrey and Worcester (NBN
Gateway distribution map - BRERC,
GiGL, JNCC,
NE and SHWRG).
See also British
leafminers dsitribution map.
Distribution
elsewhere: Widespread in Europe including Austria, Belgium,
Bulgaria, Czech Republic, Danish mainland, Estonia, Finland, French
mainland, Germany, Italian mainland, Latvia, Lithuania, Republic
of Moldova, Norwegian mainland, Poland, Russia - Central and Northwest,
Slovakia, Slovenia, Sweden, Switzerland, The Netherlands and Ukraine
(Karsholt & van Nieukerken in Fauna
Europaea).
Parasitoids:
Unknown.
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