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Leaf-mine:
For all the western european Zeugophora species applies: large,
blackish brown, upper-surface blotch. Oviposition at the leaf underside,
in a small pit, that is covered by secretion. These oviposition
marks remain visible as small, transparant points. They live communal,
and leave the mine through an upper-surface exit slit (Nederlandse
bladmineerders).
Larva:
Larva yellow, flattened, with a distinct head but no legs (Nederlandse
bladmineerders).
Pupa:
Details unknown.
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - mines: Unknown.
Time
of year - adults: Unknown.
Distribution
in Britain: Apparently a northern species, recorded in East
Ross, Easterness, Elgin, South Aberdeen and West Sutherland (NBN
Gateway distribution map - HBRG
and SNH).
Distribution
elsewhere: Poland (Alonso-Zarazaga in Fauna
Europaea).
Parasitoids:
Unknown.
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