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Leaf-miner
and case-bearer: Tubular leaf case. The case is almost barrel-shaped, with a large
leaf fragment that, while withering, folds itself untidily arround
the tube (Bladmineerders
van Europa).
A
biennial life cycle in the UK (may be annual in Europe). The second
and third cases are formed by cutting out a large leaf portion and
then wrapping it around - leaving an edge protruding, which then
withers (British
leafminers).
Larva:
Only three pairs of abdominal prolegs (Emmet et al., 1996a) (Bladmineerders
van Europa).
Pupa:
Details unknown.
Adult:
Not illustrated in UKMoths (check for update). The male
and female
genitalia are illustrated by the Lepidoptera Dissection Group.
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - larvae:
September - August (British
leafminers). Larvae are full-fed in Britain at the end of August,
but continental authors write October (Bladmineerders
van Europa).
Time
of year - adults: Unknown.
Distribution
in Great Britain and Ireland: Britain including Bedfordshire,
Caernarvonshire, Cambridgeshire, Cardiganshire, Cheshire, Denbighshire,
Derbyshire, East Kent, East Norfolk, East Suffolk, Merionethshire,
North Hampshire, Shropshire, South Lancaster, Stafford, Surrey and
Worcestershire (NBN
Gateway - N.B. includes Watsonian Vice Counties having publicly available records
that fall within or overlap the vice county border at 10km resolution
or better i.e. a record for a vice county may relate to an adjacent vice county - for included datasets see NBN Grid map below).
Also
recorded in the Republic of Ireland (Karsholt and van Nieukerken
in Fauna
Europaea).
NBN Grid map: Note that not all datasets on the NBN Gateway may be available on the map below. If you are an NBN Gateway registered user you can request access for missing datasets via the link 'Open interactive map in new window' below.
Distribution
elsewhere: Widespread in continental Europe including Austria,
Belgium, Bulgaria, Czech Republic, Danish mainland, Estonia, Finland,
French mainland, Germany, Hungary, Italian mainland, Latvia, Lithuania,
Norwegian mainland, Poland, Russia - South, Slovakia, Spanish mainland,
Sweden, Switzerland and The Netherlands. Also recorded in the East
Palaearctic (Karsholt and van Nieukerken in Fauna
Europaea).
NBN
interactive distribution map(s) of known host species in Great Britain
and Ireland and elsewhere:
Parasitoids
in Britain and elsewhere: Unknown.
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