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Leaf-mine:
A gallery in the bark of the food plant generally mining upwards,
similar to that of Trifurcula immundella, which usually mines
downwards (British
leafminers). The mines are very hard to detect, but in late
spring, the small white pupal cocoons are easy to spot among the
dark stems (UKMoths).
Larva:
The
larva is illustrated in British
leafminers.
Pupa:
In a white silken cocoon attached to a stem (British
leafminers). The cocoon is also illustrated in UKMoths.
Hosts
in Britain:
Hosts
elsewhere: Unknown.
Time
of year - mines: September-May (British
leafminers).
Time
of year - adults: The adults fly during June and July (UKMoths).
Distribution
in Britain: Widespread and common throughout the whole of Britain
(UKMoths)
including East Kent, East Perth, East Ross, Easterness, Elgin, Fife,
Kincardine, Lanark, Mid Perth, North Aberdeen, South Aberdeen, South
Lancaster, West Gloucester, West Suffolk (NBN
Gateway distribution map - BRERC,
HBRG, NE,
NESBRC,
SNH and SHWRG)
and Northern Ireland (Karsholt & van Nieukerken in Fauna
Europaea). See also British
leafminers distribution map.
Also
local in Ireland (UKMoths;
(Karsholt & van Nieukerken in Fauna
Europaea).
Distribution
elsewhere: Widespread in Europe including Austria, Belarus,
Belgium, Czech Republic, Danish mainland, Estonia, French mainland,
Germany, Hungary, Italian mainland, Luxembourg, Poland, Portuguese
mainland, Romania, Russia - Northwest, Sicily, Slovakia, Spanish
mainland, Sweden, Switzerland and The Netherlands. Also recorded
in the Nearctic region and Australian region (Karsholt & van
Nieukerken in Fauna
Europaea).
Parasitoids:
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