Leaf-miner: The larvae feed in a blotch on the underside of a leaf of sallow,
causing the leaf edge to curl under when at the edge (UKMoths).
small, lower-surface, tentiform mine, often toching the leaf margin.
The reddish brown pupa in a flimsy, whitish of very pale yellowish
cocoon; possibly the cocoon sometimes is missing altogether. Frass
packed in a corner of the mine (Bladmineerders van Europa).
be separated (without opening mine or breeding moths) from mines
of other sallow-feeding species (British
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).
The larva is illustrated in Bladmineerders van Europa.
Pupa: The pupae of moths have visible head appendages, wings and legs which lie in sheaths (see examples).
The pupa is illustrated in Bladmineerders van Europa.
The adult is illustrated in UKMoths.
The male and female genitalia are illustrated by the Lepidoptera Dissection
Hosts in Great Britain & Ireland:
of year - larvae: July, September - October (British
of year - adults: Two generations producing adults in May and
again in July and August (UKMoths).
in Great Britain & Ireland: Throughout the British Isles
including Anglesey (VC52), Bedfordshire (VC30), Breconshire (VC42), Buckinghamshire (VC24), Caernarvonshire (VC49),
Cambridgeshire (VC29), Carmarthenshire (VC44), Cheshire (VC58), Denbighshire (VC50), Derbyshire (VC57),
East Suffolk (VC25), East Sutherland (VC107), Flintshire (VC51), Glamorganshire (VC41), Herefordshire (VC36), Hertfordshire (VC20), Huntingdonshire (VC31), Middlesex (VC21), Monmouthshire (VC35), North Somerset (VC6), North Wiltshire (VC7), Northamptonshire (VC32), Shropshire (VC40), South Essex (VC18),
South Hampshire (VC11), South Lancashire (VC59), South Wiltshire (VC8), South-west Yorkshire (VC63),
Staffordshire (VC39), Surrey (VC17), West Lancashire (VC60), West Norfolk (VC28), West Suffolk (VC26), Westmorland (VC69) and Worcestershire (VC37) (NBN
Gateway). It is commoner in the south and rather local in Scotland
See also British
leafminers distribution map.
recorded in the Republic of Ireland and Northern Ireland (Karsholt and van Nieukerken
in Fauna Europaea). See also Ireland's NBDC interactive map.
NBN Grid Map:
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elsewhere: Widespread in continental Europe including Austria,
Belarus, Belgium, Corsica, Czech Republic, Danish mainland, Estonia,
Finland, French mainland, Germany, Hungary, Italian mainland, Latvia,
Lithuania, Luxembourg, Norwegian mainland, Poland, Romania, Russia
- Central, North and Northwest, Slovakia, Sweden, Switzerland, The
Netherlands and Ukraine. Also recorded in East Palaearctic (Karsholt
and van Nieukerken in Fauna Europaea).
NBN Interactive Grid Maps of known host species:
British and Irish Parasitoids in Britain and elsewhere: