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Leaf-mine:
The mine is long, filled with green frass to ¼, then linear
(British
leafminers).
Oviposition
generally at the underside of the leaf. The mine is a slender corridor
that hardly widens, even towards the end. The first third is stuffed
with diffuse greenish brown frass. After a moult the frass pattern
changes completely, into a very narrow, continuous black line. The
mine often follows a thick vein over a long distance, but the larva
is capable of crossing thick veins, even the midrib (Bladmineerders
van Europa).
Larva:
The larva is a greenish white, head brown (British
leafminers).
Pale
yellowish green, head dark; the larva lies venter-downwards in the
mine. See Gustafsson & van Nieukerken (1990a) for a detailed
description (Bladmineerders
van Europa).
Pupa:
Details unknown.
Adult:
Not illustrated in UKMoths (check
for update). The genitalia are not illustrated by the Lepidoptera
Dissection Group (check
for update).
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - larvae: Mid June - early July (British
leafminers; UKMoths).
Time
of year - adults: Single-generation on the wing in May (UKMoths).
Distribution
in Great Britain & Ireland: Fairly common throughout the
British Isles (UKMoths)
including East Kent, East Ross, Easterness, Edinburgh, Fife, Forfar,
Hereford, Hunts, Kincardine, Lanark, Mid Perth, Mid-west York, Middlesex,
North Aberdeen, North Devon, North Ebudes, North Essex, North Hants,
Orkney, Peebles, Selkirk, South Aberdeen, South Hants, South Lancaster,
South Wilts, South-east York, South-west York, Stirling, West Gloucester,
West Lancaster, West Perth, Westmorland and Worcester (NBN
Gateway distribution map - BRERC,
GiGL, HBRG,
NE,
NESBRC,
SNH and SHWRG).
See also British
leafminers distribution map.
Also
recorded in the Republic of Ireland (Karsholt & van Nieukerken
in Fauna
Europaea).
NBN Grid map:
Distribution
elsewhere: Widespread in Europe including Austria, Belgium,
Croatia, Czech Republic, Danish mainland, Estonia, Finland, French
mainland, Germany, Italian mainland, Latvia, Lithuania, Norwegian
mainland, Poland, Portuguese mainland, Romania, Russia - Central,
North and Northwest, Slovakia, Slovenia, Sweden, Switzerland, The
Netherlands and Yugoslavia.
Also
recorded in East Palaearctic (Karsholt & van Nieukerken in Fauna
Europaea).
NBN interactive distribution maps of known host species in Britain and elsewhere: Parasitoids in Britain and elsewhere:
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