Leaf-miner: The gallery is long and broad, frass dispersed in later part
of mine (British
on the leaf underside, almost always close to a thick vein. Mine
a fairly long, rather slender corridor. Frass in a broad, often
interrupted central band; locally it may be in coiled (Bladmineerders van Europa).
It is recommended that you try to rear out the adults to be certain of their identity.
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).
larva is illustrated in British
leafminers and 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 by Rob Edmunds.
and female genitalia are illustrated by the Lepidoptera Dissection Group.
Hosts in Great Britain & Ireland:
of year - larvae: June - July, September - October (British
of year - adults: June and from July to August (UKMoths).
in Great Britain & Ireland: Widespread in England including
Bedfordshire (VC30), East Norfolk (VC27), East Suffolk (VC25), Huntingdonshire (VC31), Middlesex (VC21),
North Essex (VC19), North Hampshire (VC12), North Somerset (VC6), South Essex (VC18), South Hampshire (VC11), South Wiltshire (VC8), Staffordshire (VC39), Surrey (VC17), West Kent (VC16), West Norfolk (VC28), West Suffolk (VC26) and Worcestershire (VC37) (NBN
See also British
leafminers distribution map.
NBN Grid Map:
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elsewhere: Widespread in continental Europe including Austria,
Belgium, Croatia, Czech Republic, Danish mainland, Estonia, Finland,
French mainland, Germany, Greek mainland, Hungary, Italian mainland,
Latvia, Lithuania, North Aegean Is., Norwegian mainland, Poland,
? Portuguese mainland, Romania, Russia - Central, East and South,
Sicily, Slovakia, Slovenia, Spanish mainland, Sweden, Switzerland,
The Netherlands, Ukraine and Yugoslavia. Also recorded in Near East
(Karsholt and van Nieukerken in Fauna Europaea).
NBN Interactive Grid Maps of known host species:
British and Irish Parasitoids in Britain and elsewhere: