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Leaf-mine:
The larva mines from the grass tip downwards and the mine occupies
half or the whole of the leaf blade width. A whitish blotch is formed
with characteristic narrow streaks of frass (British
leafminers). The mine is also illustrated in Nederlandse
bladmineerders.
Larva:
The
larva is illustrated in British
leafminers, UKMoths
and Nederlandse
bladmineerders.
Pupa:
The
pupa is illustrated in UKMoths.
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - mines: September - May (British
leafminers).
Time
of year - adults: The adults fly in a single generation during
June and July (UKMoths).
Distribution
in Britain: A common miner of grasslands throughout the UK (British
leafminers; UKMoths)
including Banff, East Cornwall, East Kent, East Perth, East Sutherland,
Easterness, Isle of Wight, Kincardine, Mid Perth, Mid-west York,
North Aberdeen, North Devon, North Ebudes, North Hants, North Somerset,
Salop, South Aberdeen, South Devon, South Hants, South Lancaster,
Stafford, Warwick, West Kent, West Lancaster, Worcester (NBN
Gateway distribution map - BRERC,
DBRC,
HBRG, JNCC,
NE,
NESBRC,
SNH and SHWRG)
and Northern Ireland (Karsholt & van Nieukerken in Fauna
Europaea). See also British
leafminers distribution map.
Also
recorded in the Republic of Ireland (Karsholt & van Nieukerken
in Fauna
Europaea).
Distribution
elsewhere: Widespread in Europe including Austria, Belgium,
Czech Republic, Danish mainland, Estonia, Finland, French mainland,
Italian mainland, Latvia, Lithuania, Luxembourg, Norwegian mainland,
Poland, Romania, Russia - Central, East, North and Northwest, Slovakia,
Sweden, Switzerland and The Netherlands (Karsholt & van Nieukerken
in Fauna
Europaea).
Parasitoids:
Unknown.
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