Nationally scarce (Na) in dry pastures, downland and waste ground in parts of southern England and southern Wales. In Hampshire apparently always very rare, and the only place where it might be regarded as established is on Portsdown Hill. There is only one recent record from the Isle of Wight, at Shanklin in June 1995. Wingspan 14-20 mm. In general appearance reminiscent of certain Eucosma species, but distinguished by the poorly developed and inconspicuous ocellus which lacks metallic plumbeous edging [Bradley]. Larva feeds within roots of Common Knapweed and Brown Knapweed.

Flightime guide
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