Last modified: April 16, 2021, 11:31 a.m.
A local and very rare species in Belgium, known from scattered populations all over the country. Easily confused with Platyptilia gonodactyla and Platyptilia nemoralis.
Wingspan: 18–25 mm.
The larva feeds inside the stems of the food plants, close to the ground.
Pupation inside the stem.
One generation a year: from June to August.
The main foodplant is Solidago virgaurea but the species has been observed to feed also on other Asteraceae.