Last modified: March 5, 2021, 9:32 a.m.
A very rare and local species in Belgium.
Native
The larvae feed gregariously among the shoots and in rolled leaves, turning these brown.
Pupation in the sand at the base of the food
plants.
Adults are rarely observed.
One generation a year: June–July.
The larva feeds mainly on Eryngium maritinum, but also on Eryngium campestre.
Coastal dunes and floodplains along the major rivers.