common species throughout Belgium.
larva lives, preferably on the young shoots, of Convulvulus
or Calystegia spp., especially C. sepium;
occasionally on other herbaceous plants. Pupation away from the
foodplant, often on a fence.
adults fly from September till April. They hibernate. Specimens have
been observed in all months of the year. They are active at dusk and
come to light. It is not known whether there is one generation per year
or perhaps a second generation occurs in summertime.
the medial of the proximal pair of spurs on the hind legs is twice as
long as the lateral spur.
Limburg, Kinrooi, 12 October 2004.
(Photo © Maarten Jacobs)