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Leaf-mine:
The
larvae feed mainly on Broad-leaved Willowherb mining the leaves
(UKMoths).
Large
full depth blotch in the lower leaves. Much frass in coarse grains.
The larva easily leaves its mine and restart elsewhere. Pupation
either in the mine or in the ground. Mines cannot be told apart
from those of Mompha propinquella (Bladmineerders
van Europa).
Larva:
Body varying from yellowish pink to purple brown; head black
with a light V-shaped marking. Prothoracic plate black, divided
lengthwise; anal plate and feet dark grey (Koster, 2002b; Koster
& Sinev, 2003a) (Bladmineerders
van Europa).
Pupa:
See Patocka & Turcáni (2005a) (Bladmineerders
van Europa).
Adult:
The adult is illustrated in UKMoths.
The genitalia are not illustrated by the Lepidoptera Dissection
Group (check
for update).
Hosts
in Britain:
Hosts
elsewhere:
Time
of year - larvae: Unknown.
Time
of year - adults: The moths are at large between May and July
(UKMoths).
Distribution
in Great Britain & Ireland: Distributed locally in England
and Scotland (UKMoths)
including Hereford, North Essex, North Somerset, North Wilts, South
Devon, South Essex and South Hants (NBN
Gateway distribution map - BRERC
and NE).
Also
recorded in the Republic of Ireland (Karsholt & van Nieukerken
in Fauna
Europaea).
NBN
Grid map:
Distribution
elsewhere: Widespread in Europe including Austria, Belgium,
Czech Republic, Danish mainland, Estonia, Finland, French mainland,
Germany, Hungary, Italian mainland, Kaliningrad Region, Latvia,
Norwegian mainland, Poland, Romania, Russia - North and Northwest,
Slovakia, Spanish mainland, Sweden, Switzerland and Ukraine (Karsholt
& van Nieukerken in Fauna
Europaea).
NBN
interactive distribution maps of known host species in Britain and
elsewhere:
Parasitoids
in Britain and elsewhere: Unknown.
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