rare species in Belgium, only known from two provinces, mainly found in marshy areas.
larva lives in the stems and rootstocks of Stachys palustris.
It pupates in the stem in a reddish brown silken cocoon.
adults fly from late May till July. They are active on warm sunny afternoons and later come to light.
Antwerpen, Viersel, 09 June 2004.
(Photo © Maarten Jacobs)