New data on water beetles (Coleoptera: Gyrinidae, Haliplidae, Noteridae, Dytiscidae, Hydrophilidae, Elmidae) of Primorsky Krai (Russia) Author Sazhnev, A. S. Author Prokin, A. A. Author Sergeev, M. E. text Russian Entomological Journal 2021 2021-09-30 30 3 264 274 http://dx.doi.org/10.15298/rusentj.30.3.03 journal article 10.15298/rusentj.30.3.03 0132-8069 13178748 * Sphaeridium bipustulatum Fabricius, 1781 MATERIAL EXAMINED. Khanka Nature Reserve , landscape unit (natural boundary) “Sopka Luzanova”, 6.VII.2016 , 1 ex. DISTRIBUTION. Widely distributed in Europe, North Africa, Near East, Central Asia, East and West Siberia; introduced to North America [ Fikáček et al., 2015 ]. NOTE. The first record from Russian Far East and Primorsky Krai .