This rare and local species is only known from the province of Brabant and from the southern provinces.
larva lives on different species of Trifolium and Lathyrus. Cocoon detached on the stems of grasses.
adults fly from end of June towards end of July in one generation. They
are active during the day and visiting different flowers like Scabiosa, Knautia, Cirsium and Centaurea.
rather similar to Z.
but separated by the usually larger size, longer and narrow forewing
with apex attenuate, spot 3 smaller than spot 4 and not confluent and
hindwing border pronounced extending from apex to before tornus.
Namur, Lavaux Ste.-Anne, 09 July 2006.
(Photo © Chris Steeman)