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 Enochrus ( Methydrus ) japonicus (Sharp, 1873) Figs 15–17 . MATERIAL EXAMINED. Spassk-Dalny, light-trapped, 10.VII.2016 , 8 exs. DISTRIBUTION. China , Russian Far East (Primorsky Krai), Japan ; Oriental region [ Shatrovskiy, 1989b ; Hebauer, 1995 ; Fikáček et al., 2015 ].