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Leaf
mine: A large, upper surface marginal blotch, usually going
brown and usually with an excised hole (as shown), which is characteristic
of Heterarthrus species (British
leafminers). The mine is also illustrated in Nederlandse
bladmineerders
Larva:
The larva is illustrated in British
leafminers.
Pupa:
Unknown.
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - mines: Univoltine: early summer (British
leafminers).
Time
of year - adults: Unknown.
Distribution
in Britain: British Is. (van Achterberg in Fauna
Europaea). Widespread (British
leafminers) including Berks, North-west York, South-east York,
South-west York and Surrey (NBN
Gateway distribution map - GiGl and NE).
Also
recorded in the Republic of Ireland (van Achterberg in Fauna
Europaea).
Distribution
elsewhere: Europe
including Austria, Corsica, Croatia, Czech Republic, French mainland,
Germany, Italian mainland, Poland, Sweden, ? Switzerland and ? Ukraine
(van Achterberg in Fauna
Europaea).
Parasitoids:
Unknown.
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