Xestia efflorescens (Butler, 1879):
(= Triphaena jankowskii Oberthür, 1884)
Russian Far East, Primorsky Krai, Ussuriisk envir.,
Kaimanovka, at UV-light, 9-VIII-1972, leg. E.Berlov
The forewing length is 22 mm.
det. L.Lehmann