Last modified: Aug. 13, 2022, 2:10 p.m.
A very rare and local declining species in Belgium. Nowadays only known from a handfull of observations along the coast.
The larva lives on various grasses.
Overwinters as a larva and pupates in an underground chamber.
The adults become active from dusk onwards and later come to light and sugar.
The adults fly in one generation a year from early July till late August.