scarce species throughout Belgium, in some parts locally common.
larva lives on the flowers and the leaves of Achillea
millefolium or Achillea ptarmica. Also on other herbaceous plants like Artemisia vulgaris and Tanacetum vulgare. Hibernates as pupa among plant debris.
adults fly in late May towards late September. They are active from dusk onwards and later come to light.
Antwerpen, Viersel, 09 August 2004.
(Photo © Maarten Jacobs)