Last modified: April 15, 2022, 2:24 p.m.
A very rare and local heathland species in Belgium, only known from the southern part of the country. In 2006 after a long period of absence, a single individual was trapped in AN, followed by a few other observations in 2014, 2015 and 2021. In 2022 a healthy population was discovered in the northeast of AN.
This declining species is rarely seen.
Hibernates as a young larva on the food plant and pupates later amongst detritus.
The adults rest during the day on trunks of young Betula and small conifers. They are attracted to light in low numbers.
The adults fly in one generation a year: from end of March till begin of June.