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Leaf
mine: The initial mine is usually in the form of a gallery,
which expands to form a blotch. The mine of Metallus
pumilus is similar (British
leafminers). The mine is also illustrated in Nederlandse
bladmineerders.
Larva:
Larva with two ventral spots, whereas M. pumilis has two
(British
leafminers). The larva is also illustrated in Nederlandse
bladmineerders.
Pupa:
Details unknown.
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - mines: Early autumn (British
leafminers).
Time
of year - adults: Unknown.
Distribution
in Britain: British Is. (van Achterberg in Fauna
Europaea).
Distribution
elsewhere:
Europe including Austria, Czech Republic, Estonia, Finland, Germany,
Hungary, Italian mainland, Poland, Russia Central, Sweden and The
Netherlands (van Achterberg in Fauna
Europaea).
Parasitoids:
Unknown.
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