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Leaf-mine:
A narrow contorted gallery leading to a whitish blotch with scattered
frass centrally. The early gallery can merge with the blotch and
there are often several to a leaf (British
leafminers). The mine is also illustrated in UKMoths
and Nederlandse
bladmineerders.
Larva:
The
larva is light yellow, with darker thoracic legs (British
leafminers).
The
larva is also illustrated in Nederlandse
bladmineerders.
Pupa:
Occasionally in a mined leaf or in a cocoon between the leaves or
on the leaves (British
leafminers).
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - mines: June - July (British
leafminers).
Time
of year - adults: Unknown.
Distribution
in Britain: Distributed locally in southern and western England
and Wales, there are also scattered records from further north (UKMoths)
including Cambridge, Denbigh, East Kent, Hereford, Monmouth, North
Devon, North Hants, Salop, South Lancaster, South Somerset, South
Wilts, South-west York, Surrey, West Cornwall, West Kent and West
Suffolk (NBN
Gateway distribution map - BRERC,
GiGL, JNCC
and SHWRG).
See also British
leafminers distribution map.
Also
recorded in Republic of Ireland (UKMoths;
Karsholt & van Nieukerken in Fauna
Europaea).
Distribution
elsewhere: Widespread in Europe including Albania, Austria,
Belgium, Bulgaria, Croatia, Czech Republic, Danish mainland, Estonia,
Finland, French mainland, Germany, Hungary, Italian mainland, Latvia,
Lithuania, Norwegian mainland, Poland, Russia - Central, Slovakia,
Spanish mainland, Sweden, Switzerland, The Netherlands and Ukraine
(Karsholt & van Nieukerken in Fauna
Europaea).
Parasitoids:
Unknown.
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