(adults Fig. 22B; male gen. Figs. 41L, 41M; female gen. Fig. 51A)
Sterrha inornata karafutonis Matsumura, 1925: Viidalepp, 1976: 847.
Sterrha innornata [sic!] (Haworth, 1809): Vasilyeva, 1989: 105.
Idaea straminata sibirica: Viidalepp, 1996: 52; Beljaev & Mironov, 2019: 278.
Sterrha deversaria, nec (Herrich-Schäffer, 1847): Belova, 2000a: 106.
Idaea straminata: Gordeeva & Gordeev, 2007: 123; Mironov et al., 2008: 208.
Material examined. Irkutskaya Oblast : Lavrentyevo, 14.VIII.2011, 1 ♀; same loc., 31.VII.2011, 1 ♁; same loc., 19. VI.2011, 1 ♁; B. Koty, 3.VIII.2016, 1 spm.; same loc., 31.VII.2016, 1 spm.; same loc., 1–3.VII.2016, 3 spms.; Tazheranskaya steppe, 23.VII.2019, 1 ♁, 1 ♀; same loc., 28.VII.2020, 2 ♀ (GenBank ID: OK073183); Sarma, 22.VII.2019, 1 ♀, I. Makhov; Tulun, no date, 1 spm., unknown collector; Listvyanka, 30.VII.1953, 1 ♀, Popova; Khara-Murin, 30.VII.1984, 1 ♁, S. Sinev [ZIN]; Podkamennaya, 15.VII.2011, 3 spms., V. Shilenkov [BF]; Pokoyniki, 6.VIII.2005, 1 spm., E. Berlov [EB]. Buryatia: Tarbagatay, 29. VI.2016, 1 ♁, 1 ♀; Senokosny, 26. VI.2016, 2 ♀; M. Tasarkhay, 7.VII.2016, 1 spm.; Bayan, 6.VII.2016, 2 ♁; Mondy, 1600 m.a.s.l., 20.VII.2019, 1 ♀, I. Makhov [ZIN].
Distribution. Transpalaearctic, temperate. Throughout the Russian territory from Kaliningradskaya Oblast to Primorye and Sakhalin Isl., Kamchatka and northern part of Khabarovsky Kray. Outside Russia in N Africa, Europe, Lebanon, Turkey, Transcaucasia, N Iran, Afghanistan, W Tajikistan, Kyrgyzstan, Kazakhstan, Mongolia, NE China, N Korea.
Hostplants: flaccid leaves of different herbs (Rumex, Ononis, Lithospermum, Sonchus, Viola, Stellaria, Lysimachia, Galium, Thymus, Chenopodium), and shrubs (Vaccinium, Rubus, Rosa, Prunus) (Beljaev 2016).