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Leaf-mine:
Mine only in the leaf lamina (not the mid-rib). Mine not simultaneously
blotch-like (on the upper side or under side) and with very fine
frass grains. Mine not touching the midrib. Mine at least in places
greenish in transmitted light when seen from either the dorsal side
or ventral side. Frass plentiful, irregularly scattered throughout
the mine. Pupation always external. The egg shell lies on the leaf
surface at the beginning of the mine.
Larva:
Details unknown.
Puparium:
Details unknown.
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - mines: Unknown.
Time
of year - adults: Unknown.
Distribution
in Britain: Recorded in Britain by Ackland (1978).
Distribution
elsewhere: Europe (Hering,
1957a) including Germany (Griffiths,
1982), Austria, Czech Republic, Denmark, French mainland, Hungary,
Italian mainland and Slovakia (Michelsen, 2004 in Fauna
Europaea).
Also
recorded in the East Palaearctic and Nearctic Regions (Michelsen,
2004 in Fauna
Europaea).
Parasitoids:
Unknown.
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