A univoltine species, flying from May to September, with a peak from mid-June to late August. (Popov, 1944; Mavromoustakis, 1948; 1952; Kasparek, 2015; Stanisavljević, 2000).
Fateryga (2017) reports that males are active in Dagestan and the Krasnodar region of the North Caucasus (Russia) in May and June.