Idaea dimidiata (Hufnagel, 1767):
This specimen from S.Russia is given for comparison:
W.Caucasus, Krasnodarsky Krai, Ghelendzhik distr.,
Arkhipo-Osipovka, 4-VI-1975, leg. E.Berlov
The forewing length is 9,5 mm.
det. E.Berlov