larva feeds internally on a leaf of False Brome, forming a blister-like
first a narrow ascending corridor. The direction reverses and the
mine develops into a broad, greenish, inconspicuous blotch, reminiscent
of a tentiform mine, 5-8 cm long. Pupation external (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).
Dull green, head and prothoracic shield light brown. Prothoracic
shield divided in two narrow elongate, distally enlarged, slerites
(Traugott-Olsen and Nielsen, 1977a; Bland, 1996a) (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 male genitalia, but not the female genitalia (check for update), are illustrated by the Lepidoptera Dissection
Hosts in Great Britain & Ireland:
of year - larvae:
End of April to beginning of June (Bladmineerders van Europa).
of year - adults: The moths fly in June and July, and are found
in woods and woodland clearings rather than the typical grassland
habitat of many Elachistidae (UKMoths).
in Great Britain & Ireland: Scattered distribution covering
much of the British Isles (UKMoths)
including Bedfordshire (VC30), Caernarvonshire (VC49), Cambridgeshire (VC29), Denbighshire (VC50),
Derbyshire (VC57), East Kent (VC15), Flintshire (VC51), Herefordshire (VC36), Kincardineshire (VC91), North Wiltshire (VC7), South Aberdeenshire (VC92), South Wiltshire (VC8), Staffordshire (VC39), Surrey (VC17), West Gloucestershire (VC34), West Kent (VC16), West Norfolk (VC28), West Suffolk (VC26) and Worcestershire (VC37) (NBN
Gateway) and Ireland (Karsholt and van Nieukerken in Fauna Europaea). Generally commonest in the southern part of England
Also recorded in the Republic of Ireland (Ireland's NBDC interactive map).
NBN Grid Map:
NBN Grid Map : NBN Terms and Conditions
Maps are only displayed if the NBN server is active. N.B. Only publicly available records, if any, are shown by default
elsewhere: Widespread in continental Europe including Austria,
Belgium, Czech Republic, Estonia, Finland, French mainland, Germany,
Hungary, Italian mainland, Latvia, Liechtenstein, Luxembourg, Poland,
Romania, Slovakia, Spanish mainland, Sweden, Switzerland and The
Netherlands (Karsholt and van Nieukerken in Fauna Europaea).
NBN Interactive Grid Maps of known host species:
British and Irish Parasitoids in Britain and elsewhere: Currently unknown.