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Leaf-mine: The
mine begins with a narrow gallery following the midrib or a vein,
and then becoming a rectangular blotch with frass gathered towards
one end (UKMoths).
Oviposition
on the upperside of the leaf, next to a vein. The first part of
the mine is a narrow corridor, with a broad frass line, running
along a vein. Usually the corridor runs away from the midrib, but
often it runs along the midrib itself. The corridor widens abruptly
into a squarish blotch, containing much frass. Often several mines
in a leaf. Pupation external (Bladmineerders
van Europa).
The
mine is also illustrated in Belgian
Lepidoptera.
Larva:
White with green gut-line, head pale brown (British
leafminers). The larva is yellowish white with a light brown hread; ganglia inconspicuous; ventral plates present but indistinct (van Nieukerken, 1985a). See Gustafsson and van Nieukerken (1990a) for a description of the larva (Bladmineerders
van Europa).
Pupa:
Details unknown.
Adult:
The adult is illustrated in UKMoths.
The male
and female
genitalia are illustrated by the Lepidoptera Dissection Group.
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - larvae: August - October (British
leafminers).
Time
of year - adults: The adult moths are on the wing in June (UKMoths).
Distribution
in Great Britain and Ireland: Distributed throughout England
and Wales and into the southern half of Scotland, it is more localised
in the north, but can be common elsewhere (UKMoths)
including Banff, Bedfordshire, Buckinghamshire, Cambridgeshire,
Cheshire, Derbyshire, East Cornwall, East Kent, East Norfolk, East
Ross, East Suffolk, East Sutherland, Elgin, Glamorgan, Herefordshire,
Huntingdonshire, Kincardine, Leicestershire, Middlesex, North Aberdeen,
North Devon, North Essex, North Hampshire, North Somerset, North
Wiltshire, Northamptonshire, Shropshire, South Aberdeen, South Lancaster,
South Wiltshire, South-west Yorkshire, Stafford, Surrey, Warwickshire,
West Kent, West Lancaster, West Norfolk, West Ross, West Suffolk,
Westmorland 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). See also British
leafminers distribution map.
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, ? Bosnia and Herzegovina, Bulgaria, Croatia, Czech Republic,
Danish mainland, Estonia, Finland, French mainland, Germany, Greek
mainland, Hungary, Italian mainland, Latvia, Lithuania, ? Macedonia,
Norwegian mainland, Poland, Portuguese mainland, Romania, Russia
- Central and South, Slovakia, Slovenia, Spanish mainland, Sweden,
Switzerland, The Netherlands and Ukraine (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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