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 ( Enochrus ) melanocephalus (Olivier, 1792) MATERIAL EXAMINED. Spassk-Dalny, light-trapped, 10.VII.2016 , 1 ex. DISTRIBUTION. Europe, North Africa, Near East, Central Asia, Afghanistan , Mongolia , China ( Inner Mongolia ), East Siberia, Russian Far East (Primorsky Krai) [ Ryndevich, 2001a ; Prokin, 2009 ; Fikáček et al., 2015 ; Prokin et al., 2020 ].