Last modified: May 24, 2019, 6:28 p.m.
A common species throughout Belgium. Populations can fluctuate considerably from year to year.
The adults fly very early in the year from February till beginning of April. The males fly in afternoon sunshine and later comes to light.
The larva lives on a range of various trees and bushes as Carpinus and Quercus, but prefers also Betula, Corylus, Crataegus, Prunus spinosa and Tilia. Pupation in a tough cocoon made of earth and brown silk in the ground or amongst debris on the ground.