Last modified: March 3, 2024, 6:57 p.m.
A very rare and local species in Belgium.
Native
Hibernates as a pupa, sometimes it may overwinter more than once.
The adults are active from dusk onwards and later come sparsely to light.
The adults fly in one generation a year from mid-July till the end of August.
The larva lives inside the seed capsules of Odontites.
It inhabits nutrient-poor grasslands.