S. juzepczukii Buk.
Holotypus: «¹ 1166, Peru, Pomacanchi, reproduced near Leningrad 8 IX 1928, from number ¹ 3355, leg.: V.S. Lekhnovich» (WIR).
 
Paratypus: «¹1641, Bolivia: Tiahuanaco, Titicaca, reproduced near Leningrad, 4674/3601, leg.: S.Juzepczuk» (WIR).