Wingspan c. 15-20mm.
A very local species, known only from a couple of localities in Worcestershire and south Wales. It was found in the 19th Century in Worcestershire, but remained undetected again until 1987 when it was rediscovered there. It is still a very rare and local species.
The larva feeds in this country on small-leaved lime (Tilia cordata), between leaves spun together, although on the continent a number of other foodplants are noted.
Adult moths are on the wing in May and June.