Leaf-miner: A slender gallery, leading to blotch (British
on the underside of the leaf. The first part of the mine is a long,
slender corridor, rather straight, often folllowing a vein or the
leaf margin. The frass here is black, lying in a very narrow central
line. The corridor abruptly widens into a large blotch, where the
the frass lies irregularly scattered (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).
Pale greenish yellow. See Gustafsson and van Nieukerken (1990a)
for an extensive description (Bladmineerders van Europa).
is a pale watery greenish yellowish (whereas S.
poterii its yellow) (Bladmineerders van Europa).
Pupa: The pupae of moths have visible head appendages, wings and legs which lie in sheaths (see examples).
The adult is illustrated in UKMoths. The genitalia are not illustrated by the Lepidoptera
Dissection Group (check for update).
Hosts in Great Britain & Ireland:
of year - larvae: July, September - November (British
of year - adults: Currently unknown.
in Great Britain & Ireland: Britain including Bedfordshire (VC30),
Easterness (VC96), Huntingdonshire (VC31), South Wiltshire and Worcestershire (VC37) (NBN
See also British
leafminers distribution map.
recorded in the Republic of Ireland (Karsholt and van Nieukerken
in Fauna Europaea).
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elsewhere: Widespread in continental Europe including Austria,
Belgium, Bulgaria, Croatia, Czech Republic, Danish mainland, Estonia,
Finland, French mainland, Germany, Hungary, Italian mainland, Latvia,
Lithuania, Norwegian mainland, Poland, Romania, Russia - Central
and North, Slovakia, Slovenia, Sweden, Switzerland, The Netherlands
and Ukraine (Karsholt and van Nieukerken in Fauna Europaea).
NBN Interactive Grid Maps of known host species:
British and Irish Parasitoids in Britain and elsewhere: