5. Hemistola chrysoprasaria (Esper, 1795)

(adults Fig. 17B; male gen. Figs. 34A–34C; female gen. Fig. 37E)

“ Geometra vernaria L.” [erroneous authorship]: Erschov & Field, 1870: 162.

Geometra vernaria (Hübner, 1789): Staudinger, 1892: 373; Staudinger & Rebel, 1901: 261; Tomilova & Dubeshko, 1971: 214.

Hemistola chrysoprasaria: Berlov & Berlov, 2006: 103; Gordeeva & Gordeev, 2007: 129; 2020: 66; Mironov et al., 2008: 205; Beljaev & Mironov, 2019: 254.

Hemistola immaculata (Thunberg, 1784): Vasilyeva & Epova, 1987: 65; Vasilyeva, 1989: 105.

Hemistola chrysoprasaria chrysoprasaria: Viidalepp, 1996: 61 .

Material examined. Irkutskaya Oblast: B. Koty, 10.VII.2012, 1 ♀, I. Makhov [ZIN]. Buryatia: M. Tasarkhay, 7.VII.2016, 2 ♁; Tarbagatay, 13.VII.2018, 1 ♁ (GenBank ID: OK156318); same loc., 23.VII.2021, 2 ♁ (GenBank ID: OK314975), I. Makhov [ZIN] .

Distribution. Transpalaearctic, subboreal. In Russia this species inhabits European part of country, Urals, south of Western, Central and Eastern Siberia, S Yakutia, Amurskaya Oblast, southern part of Khabarovsky Kray, Jewish Autonomous Oblast and Primorye. Outside Russia: Europe; Turkey, N Africa, Transcaucasia, Uzbekistan; Kyrgyzstan, E and N Kazakhstan, Mongolia, W, N and NE China.

Hostplants: Clematis, Pulsatilla (Hausmann 2001) .

Remarks. Viidalepp (1976) mentioned Hemistola immaculata intermedia Djakonov, 1926 as a subspecies of H. chrysoprasaria, however Beljaev (2016) states that interpretation is not justified.