Rhagastis mongoliana (Butler, [1876])

Koshkin, Evgeny S., Bezborodov, Vitaly G. & Kuzmin, Aleksandr A., 2021, Range dynamics of some nemoral species of Lepidoptera in the Russian Far East due to climate change, Ecologica Montenegrina 45, pp. 62-71 : 67

Rhagastis mongoliana (Butler, [1876]) ( Fig. 2G )

Material examined. Russia: 2 ♂, Amur Oblast’, Arkharinsky district , 4.5 km NW Rachi railway station, 49°17'19" N, 130°24'42" E, 250 m, 3.07.2021 (A.A. Kuzmin leg.) ; 2 ♂, Khabarovsk Kray, Imeni Lazo district, 25 km SE Durmin village, upper reach of Durmin River , 47º54' N, 136º02' E, 205 m, 27– 31.07.2011 (E.S. Koshkin leg.) ; 3 ♂, Khabarovsk Kray, Bikin district, 8 km SE Boitsovo village, upper reaches of Shivki River, vicinity of Shivki scientific station of Institute of Water and Ecology Problems FEB RAS, 46°55'06" N, 134°23'04" E, 165 m, 1.07.2008 (E.S. Koshkin leg.) ; 2 ♂, same locality and collector, 26.06.2021 ; 2 ♂, same locality and collector, 23– 29.07.2021 .

Remarks. This species was discovered in the Amur Oblast’ for the first time. The find from in the vicinity of the Rachi railway station is the northernmost location in the species range. Two males were collected in the oak forest ( Quercus mongolica ) with an admixture of Betula platyphylla , and with Juglans mandshurica , Corylus sieboldiana , and Eleutherococcus senticosus in the undergrowth shrub layer. The species had previously been recorded in Priamurye only in the southern Khabarovsk Kray: the vicinity of Khabarovsk ( Dubatolov & Dolgikh 2007), Anyuysky National Park ( Dubatolov 2020), Imeni Lazo district, and the Bikin district (new records) ( Fig. 1 ). The species is more common in the Primorsky Kray. Larvae feed on Vitis amurensis ( Vitaceae ).

NOLIDAE

Figures

Figure 1. Distribution records of the some nemoral species of Lepidoptera in the southern part of the Amur region (Russia).

Figure 2. Some species of Lepidoptera from Amur region (Russia): A – Lobocla bifasciata, 1.07.2021; B, C – Chrysozephyrus brillantinus, 16.07.2021; D – Clanis undulosa, 30.06.2021; E – Acosmeryx naga, 3.07.2021; F – Ambulyx tobii, 1.07.2021; G – Rhagastis mongoliana, 3.07.2021; H, I, J – Siglophora sanguinolenta (H, I –25– 27.07.2021, J – live specimen, 9.09.2021). A, B, D–J – upperside, C – underside. A–H, J – males, I – female. Localities: A – 7 km N Tarmanchukan; B, C – 2 km S Voronezhskoe–1; D, F, H–J – 8 km SE Boitsovo; E – Mokhovaya Pad’; G – 4.5 km NW Rachi.