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Leaf-
and stem-mine: Pupation in the mine. Mine in the lowest part
of the petiole, not in the pinnulae-bearing part of the rachis.
Often several larvae together. Mined leaves are stunted, often incompletely
rolled out. Puparium in the mine or in the ground (Nederlandse
bladmineerders). See de Meijere (1911a) and Brown & McGavin
(1982) for details of
the biology.
Larva:
Larva with undivided posterior processes of the cephalopharyngeal
skeleton.
Puparium:
Details unknown.
Comments:
Included in Redfern et al. (2002:
397, fig 645) in keys to galls. See Brown & McGavin (1982)
for details of biology.
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - mines: Unknown.
Time
of year - adults: Unknown.
Distribution
in Britain: Appears to be confined to the southern half of Britain.
Records include Wilts, Oxford, Worcester, Hants, Berks, Dorset,
Cambridge, Norfolk, Suffolk, Hereford, Wales (Mike Ackland, pers.
comm.), East Kent, North Hants, North Lincoln, North Wilts,
Oxford, South-west York, Stafford, Surrey and West Suffolk. (NBN
Gateway distribution map - NE).
Distribution
elsewhere: Europe including The Netherlands (Nederlandse
bladmineerders), Corsica, ? Czech Republic, Denmark, Finland,
French mainland, Germany, Greek mainland, Italian mainland, Poland,
Russia - Northwest, Sicily, Sweden and Yugoslavia (Michelsen, 2004
in Fauna
Europaea).
Parasitoids:
Unknown.
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