rather common species throughout Belgium.
larva lives in the seed-head of Tanacetum vulgare
or Achillea ptarmica. It hibernates. Pupation in a
adults fly from the end of June till early September. Most specimens
have been observed in July. They occasionally come to light.
Antwerpen, Schoten, 31 July 2005.
(Photo © Adriaan Peeters)