Last modified: Feb. 20, 2020, 6:35 p.m.
First observation of this species in Belgium was 1940 and it is an irregular and very scarce migrant in the north. More observations in the south and southeast of Belgium, especially in damp places and moors located in conifer forests, but also there very rare and local.
Native In Belgium since July 1940.
It overwinters as a larva and pupates in late spring in a cocoon formed under a leaf of the food plant in late spring.
The species can be seen by day and by night and can be attracted to light and sugar.
The adults fly in one generation a year and have been observed from end of June till the end of October, but mainly during July and August.