Last modified: Oct. 18, 2023, 7:49 p.m.
A common species throughout Belgium, especially in the northen part. In some countries, this species is a pest of maize (Zea mays).
Native
Copious amounts of frass are ejected from the infected stems, they often break off just above the larval feeding place. The larva hibernates in the stem. Pupation takes place in a cocoon in the larval gallery. The pupa does not protrude the exit hole before emerging.
The adults are active at night and come to light.
The adults fly from the end of May till the end of September. Most abundant in the second half of June and the beginning of July.
In Belgium larvae are mainly found in stems of Artemisia vulgaris and Humulus lupulus.
Different kinds of habitats where the host plants occur.