Last modified: Jan. 19, 2023, 6:58 p.m.
A not so common species throughout Belgium.
Native
The larva eats at first the seeds of Cirsium spp. and later bores into the stem in order to eat the pit. It hibernates full-fed in the stem and pupates there in the spring. The adults are active at dusk and later come to light.
The adults have been observed from the end of May till well in July.