Last modified: March 11, 2021, 2:48 p.m.
A very rare and local species in Belgium.
The larva feeds in a slender gall in the main stem of the food plant.
They pupates among detritus on the ground.
The adults sometimes come to light.
The adults fly in one generation a year: from June till July.
The larva feeds in the main stem of Pteridium aquilinum.