50. Hercostomus sviridovae Negrobov et Chalaya, 1987

Material examined. 1♂, Amur Region, 52 km N Zeya town, 25.07.1982, V. V. Zlobin .

Distribution. Type locality: Russia: Primorye, Bikin River. Palaearctic: Russia (Buryatia, Primorye, Yakutia, Zabaikalye). First record from Amur Region.