Last modified: March 19, 2021, 6:02 p.m.
A rare species in many localities in Belgium. Status insufficiently known, because most of the species of this genus should be checked for genitalia.
The adults fly in May and June. They are active during daytime, especially in cloudy weather, and they come sparsely to light.
The larva lives in the rootstock, tunnelling down into the roots of Leucanthemum vulgare or Achillea millefolium. Later it feed on the surface of the roots under a slight web. Pupation in an earthen cocoon.