Last modified: May 31, 2024, 10:55 a.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.
This species is considered Critically Endangered according to the IUCN Red List category for Flanders 2023.
Native
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.
The larva lives on various species of low plants and decidious trees including Betula orMyrica gale.