Last modified: Jan. 18, 2024, 1:14 p.m.
A very rare species and for the first time recorded from Belgium in 2019 (LX).
Native
Pale yellow body with head and prothoracic plate light brown with dark brown spots, pinacula grey.
The larva bores in the stem of the foodplant causing a weak gall and limiting the growth of the stem. It starts below and bores upwards reach the flower bud which is often is killed, and buds that are situated lower may be stimulated then and develop in several alternative, generally smaller flowers.
The species hibernates in the larval stage. Pupation in a web in the feeding place or in a cocoon in the soil.
One generation a year from mid-May towards mid-June.
The monophagous larva feeds on Leucanthemum vulgare.
It inhabits flowery grasslands, meadows and rough ground.