in most areas of Belgium.
larva lives in a shoot or leaf-stalk of Populus spp. An erect
conical tube of frass at the entrance hole indicates the feeding-place.
Pupation in a cocoon in a crevice of bark or amongst leaf-litter.
adults have been observed from late June till the end of August.
They are active in late afternoon and later come to light.
Antwerpen, Ranst, 19 July 2003.
(Photo © Leo Janssen)