Abstract

A species of Caspian fauna, leech Archaeobdella esmonti, introduced earlier into most reservoirs of the Volga cascade, was recorded for the first time in the Uglich Reservoir in summer 2017. In 2009, A. esmonti was first detected in the Rybinsk Reservoir, where it was successfully established by 2015, and its occurrence frequency increased to 50%. The quantitative and size-weight characteristics of the species in the Rybinsk Reservoir are presented in this paper.

中文翻译：

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伏尔加河上游流域的里海侵略者水ch的扩张范围（1876年，安里利达：克里特利亚塔：希鲁迪尼达）

摘要

早在伏尔加瀑布大部分水库中就引入的里海动物水ech Archaeobdella esmonti物种于2017年夏季首次记录在乌格利奇水库中。2009年，雷宾斯克水库首次在该处发现了埃斯蒙.。到2015年成功成立，其出现频率增加到50％。本文介绍了雷宾斯克水库中该物种的数量和大小-重量特征。