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Leaf-mine:
The mine is underside, small, seldom reaching midrib. The lower
epidermis with several small creases (British
leafminers), sometimes several larvae mine the same leaf. The
mine is also illustrated in Nederlandse
bladmineerders.
Larva:
The
larva is illustrated in Nederlandse
bladmineerders.
Pupa:
The cremaster is illustrated in British
leafminers.
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - mines: September - October (British
leafminers).
Time
of year - adults: The adults fly mostly in August, but the species
may be bivoltine, with moths also recorded in May (UKMoths).
Distribution
in Britain: Throughout mainland Britain, though rare in the
southern half of Scotland and in Ireland, it can be common in places
(UKMoths)
including East Perth, Hereford, Mid Perth, Middlesex, North Aberdeen,
North Devon, North Hants, South Aberdeen, South Hants, South Wilts,
South-west York and Stirling (NBN
Gateway distribution map - BRERC,
GiGL, JNCC,
NE,
NESBRC
and SNH). See
also British
leafminers distribution map.
Distribution
elsewhere: Widespread in Europe including Albania, Austria,
Belarus, Belgium, Bulgaria, Croatia, Czech Republic, Danish mainland,
Estonia, Finland, French mainland, Germany, Hungary, Italian mainland,
Latvia, Lithuania, Luxembourg, Republic of Moldova, Norwegian mainland,
Poland, Portuguese mainland, Romania, Russia - Central, Northwest
and South, Sardinia, Slovakia, Sweden, Switzerland, The Netherlands,
Ukraine and Yugoslavia. Also recorded in Near East (Karsholt &
van Nieukerken in Fauna
Europaea).
Parasitoids:
Unknown.
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