Nationally scarce (Nb) on chalk downland and waste ground, mainly in the southern counties of England. In Hampshire restricted to the few areas of unimproved grassland at sites such as Oxenbourne, Stockbridge and Magdalen Hill Down. Recently recorded on the Isle of Wight for the first time since 1981. Wingspan 20-27 mm. Very similar to several other species of plume moth, from which separable only by dissection of the genitalia. Larva feeds on stems of Wild Marjoram.
The abundance in each month is indicated as follows:
No records Very occasional Irregular Uncommon Off-peak, but not unusual Off-peak, but not unusual Main flight time