Last modified: May 27, 2025, 3:24 p.m.
A new species to Belgium in 2025 in AN.
Invasive
The larvae live in a spinning around buds and young leaves on the food plant. Later, it overwinters in a cocoon in the soil.
The adults fly in one generation and can be observed from late April to July, occasionally later in the year.
The larvae live on different species of Brassicaceae, such as Brassica sp., Sisymbrium, and Sinapis arvensis.