First Finding of Quistadrilus multisetosus (Smith, 1900) (Oligochaeta: Tubificidae) in the Rybinsk Reservoir
First time for the region, oligochaete Quistadrilus multisetosus (Smith, 1900) were found in the Rybinsk reservoir. Abundance and spatial distribution of the population of this species as of 2013 autumn are presented.