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Leaf-mine:
A gallery leading to whitish blotch. The larvae from the autumn
generation feed throughout the winter. Pupation occurs inside the
mine. Mines in shaded places can be large (British
leafminers). The mine is also illustrated in Nederlandse
bladmineerders and UKMoths.
Larva:
The larva is illustrated in British
leafminers, Nederlandse
bladmineerders and UKMoths.
Pupa:
Details unknown.
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - mines: July, September - March (British
leafminers).
Time
of year - adults: Two generations, May and June, and again in
August (UKMoths).
Distribution
in Britain: A common species throughout Britain (UKMoths)
including East Cornwall, East Kent, Hunts. Middlesex, South Devon,
South Hants, South Lancaster, South Wilts, Surrey, West Cornwall,
West Lancaster (NBN
Gateway distribution map, as Emmetia marginea - BRERC,
DBRC,
GiGL, JNCC,
NE
and SHWRG)
and the Channel Is. (Karsholt & van Nieukerken in Fauna
Europaea). See also British
leafminers distribution map, as Emmetia marginea.
Also
recorded in the Republic of Ireland (Karsholt & van Nieukerken
in Fauna
Europaea).
Distribution
elsewhere: Widespread in Europe including Albania, Austria,
Belarus, Belgium, Bulgaria, Corsica, Crete, Croatia, Cyprus, Czech
Republic, Danish mainland, Dodecanese Is., Finland, French mainland,
Greek mainland, Hungary, Italian mainland, Luxembourg, Macedonia,
North Aegean Is., Poland, Portuguese mainland, Romania, Sardinia,
Sicily, Slovakia, Slovenia, Spanish mainland, Sweden, Switzerland
and The Netherlands (Karsholt & van Nieukerken in Fauna
Europaea).
Parasitoids:
Unknown.
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