Abstract

The first finding of the cosmopolite freshwater oligochaete Branchiura sowerbyi Beddard, 1892 in the Rybinsk Reservoir is reported. The oligochaete B. sowerbyi was first recorded in the Volga River basin. The species was found in the biotope of gray silt at a depth of 8 m near Vaganikha Island in the Sheksna Reach of the Rybinsk Reservoir in October 2019.

中文翻译：

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1892 年在 Rybinsk 水库首次发现 Branchiura sowerbyi Beddard（寡毛纲，管虫科）

摘要

据报道，1892 年在雷宾斯克水库首次发现世界性淡水寡毛类 Branchiura sowerbyi Beddard 。寡毛类B. sowerbyi最早记录在伏尔加河流域。该物种于 2019 年 10 月在雷宾斯克水库 Sheksna 河段 Vaganikha 岛附近 8 米深的灰色淤泥生境中被发现。