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Leaf-miner: The mine is underside, occupying the whole leaflet, which turns down at edges (British leafminers).

Lower surface tentiform mine that occupies an entire leaflet; lower epidermis strongly folded. Fully developed mines are strongly inflated and the leaflet is so completely folded over the mine that the latter becomes practically invisible. In this stage the larva has consumed also all tissue in the roof of the mine, making the mine very conspicuous (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).

Pupa: The pupae of moths have visible head appendages, wings and legs which lie in sheaths (see examples).

Cremaster with two pairs of spines. The inner pair has shifted so far sidewards that the inner and outer pairs seem to form one whole. The inner spines are fairly slender, the outer ones are stout, and the two combined look like one long spine with a broad base (Gregor and Patocka, 2001a; Patocka and Turcani, 2005a) (Bladmineerders van Europa).

Adult: The adult is not illustrated in UKMoths (check for update). The species is included in mothdissection.co.uk.

Hosts in Great Britain and Ireland:

Fabaceae
Lathyrus				Pitkin & Plant
Medicago				Pitkin & Plant
Trifolium				Pitkin & Plant
Vicia	sepium	Bush Vetch		British leafminers
Vicia	sepium	Bush Vetch		Pitkin & Plant

Hosts elsewhere:

Fabaceae
Lathyrus	vernus	Spring pea		Bladmineerders van Europa
Lotus				Bladmineerders van Europa
Medicago				Bladmineerders van Europa
Trifolium	alpestre			Bladmineerders van Europa
Trifolium	medium	Zigzag Clover		Bladmineerders van Europa
Trifolium	pratense	Red Clover		Bladmineerders van Europa
Trifolium	repens	White Clover		Bladmineerders van Europa
Trifolium	rubens			Bladmineerders van Europa
Vicia	dumetorum			Bladmineerders van Europa
Vicia	sativa	Common Vetch		Bladmineerders van Europa
Vicia	sepium	Bush Vetch		Belgian Lepidoptera
Vicia	sepium	Bush Vetch		Bladmineerders van Europa

Time of year - larvae: July, September - October (British leafminers).

Time of year - adults: Currently unknown.

Distribution in Great Britain and Ireland: Britain including Dorset, Durham, East Sussex, North Somerset, South Northumberland and West Cornwall (NBN Atlas). It occurs on woodland rides and the bottom of hedges (British leafminers).

See also British leafminers distribution map.

Also recorded in the Republic of Ireland and Northern Ireland (Fauna Europaea and National Biodiversity Data Centre Map).

Distribution elsewhere: Widespread in continental Europe including Austria, Belarus, Belgium, Bosnia and Herzegovina, Cyprus, Czech Republic, Danish mainland, Estonia, Finland, French mainland, Germany, Hungary, Italian mainland, Lithuania, Norwegian mainland, Poland, Romania, Russia Central, East, Northwest and South, Slovakia, Spanish mainland, Sweden, Switzerland and Ukraine (Fauna Europaea).

NBN Atlas links to known host species:

British and Irish Parasitoids in Britain and elsewhere: