The female from Vityaz station 2076 [43°39’N 149°24’E], 4,200–7,800 m, 9 May 1953 and the male from Vityaz station 2208 [49°23’N 158°45’E], 0–6,500 m, 22 June 1953 (Vinogradov 1957). Vityaz station 5626 [45°11’N 152°28’E], 3,000–4,000 m, 23–24 August 1966.