13. Hydrochus elongatus (Schaller, 1783)

REFERENCES. Efimov, Zinchenko [2015].

MATERIAL EXAMINED. Yayskiy Distr., Beket, 56°22´N 86°28´E, water´s edge, 15.VI.2018, DE (1 ex.) .

DISTRIBUTION. Europe, Western and Eastern Siberia, Central Asia, Turkey [Fikáček et al., 2015; Przewoźny, 2019].