Last modified: Jan. 18, 2020, 1:11 p.m.
A species very rarely observed in Belgium, scattered over several provinces.
Length 16–27 mm, width 4–6 mm; tubular, irregularly covered with twigs and other plant material.
Females are wingless. Males often fly in the afternoon on sunny days.
One generation a year: from mid-April to late June.
Dry meadows, rocky slopes, heathland, moorland, peat bogs, forest margins.