Leaf-miner:
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: The larvae of moths have a head capsule and chewing mouthparts with opposable mandibles (see video of a gracillarid larva feeding), six thoracic legs and abdominal legs (see examples).
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
and Sinev, 2003a) (Bladmineerders van Europa).
Pupa: The pupae of moths have visible head appendages, wings and legs which lie in sheaths (see examples).
See Patocka and Turcáni (2005a) (Bladmineerders van Europa).
Adult:
The adult is illustrated in UKMoths.
The species is included in mothdissection.co.uk.
Hosts in Great Britain and Ireland:
Hosts
elsewhere:
Time
of year - larvae: Currently unknown.
Time
of year - adults: The moths are at large between May and July
(UKMoths).
Distribution
in Great Britain and Ireland: Distributed locally in England
and Scotland (UKMoths)
including Cambridgeshire, Carmarthenshire, Derbyshire, Dorset, Durham, East Cornwall, East Norfolk,
East Suffolk, Glamorgan, Herefordshire, Huntingdonshire, Kincardineshire, North Essex,
North Somerset, Shropshire, South Essex, South Hampshire, Stafford, West Cornwall, West Suffolk and Wigtownshire (NBN
Atlas).
Also
recorded in the Republic of Ireland (Fauna Europaea).
Distribution
elsewhere: Widespread in continental 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
(Fauna Europaea).
NBN Atlas links to known host species:
British and Irish Parasitoids in Britain and elsewhere: Currently unknown.
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