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Stem-borer:
Normally a borer in stems or flowers.
Larva:
The larva is described by de Meijere (1926,
as lateralis) and Dempewolf (2001).
Posterior spiracles each with 16 bulbs.
Puparium:
Detials unknown.
Comments:
Described as a serious pest of cultivated chicory (Cichorium)
in Belgium and The Netherlands (Spencer,
1966b).
Hosts
in Britain: Unknown.
Hosts
elsewhere:
Time
of year - larvae: Unknown.
Time
of year - adults: Unknown.
Distribution
in Britain: England (Spencer,
1990: 265).
Distribution
elsewhere: Belgium,
Switzerland (Spencer, 1990:
265), The Netherlands (Spencer,
1966b; Nederlandse
bladmineerders), Estonia, Finland, French mainland, Germany,
Hungary, Italian mainland, Lithuania, Spanish mainland, Switzerland
and Ukraine (Martinez in Fauna
Europaea).
Parasitoids:
Unknown.
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