Last modified: Nov. 16, 2020, 1:04 p.m.
A rare and local species in Belgium, mainly known from the norteastern and southern part of the country.
See also bladmineerders.be
The larva lives in the lower part of the stem and leaf-stalks of Echium vulgare.
It pupates in a strong, hard cocoon covered with pieces of leaf, spun on a withered basal leaf.
The adults are active at dusk and later come to light.
One generation a year: from mid June till August.