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Leaf-mine:
An early gallery filled with frass, later leaving clear margins,
finally a blotch (British
leafminers). The nine is also illustrated in Nederlandse
bladmineerders.
Larva:
Larva amber, head and faint ventral spots, brown (British
leafminers).
Pupa:
Details unknown.
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - mines: June - July, September - October (British
leafminers).
Time
of year - adults: Unknown.
Distribution
in Britain: British Is. (Karsholt & van Nieukerken in Fauna
Europaea) including Middlesex, North Essex, North Hants, South
Hants and South Wiltshire (NBN
Gateway distribution map - BRERC,
JNCC, LWIC
and NE).
See also British
leafminers distribution map.
Also
recorded in the Republic of Ireland (Karsholt & van Nieukerken
in Fauna
Europaea; British
leafminers distribution map).
Distribution
elsewhere: Widespread in Europe including Austria, Belgium,
Bulgaria, ? Corsica, Croatia, Czech Republic, Danish mainland, Estonia,
Finland, French mainland, Germany, Hungary, Italian mainland, Latvia,
Lithuania, Norwegian mainland, Poland, ? Portuguese mainland, Romania,
Russia Central, Northwest and South, Slovakia, Slovenia, Spanish
mainland, Sweden, Switzerland, The Netherlands, Ukraine and Yugoslavia.
Also recored in East Palaearctic (Karsholt & van Nieukerken
in Fauna
Europaea).
Parasitoids:
Unknown.
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