Hydroporus uenoi Nakane, 1963

Sazhnev, A. S., Prokin, A. A. & Sergeev, M. E., 2021, New data on water beetles (Coleoptera: Gyrinidae, Haliplidae, Noteridae, Dytiscidae, Hydrophilidae, Elmidae) of Primorsky Krai (Russia), Russian Entomological Journal 30 (3), pp. 264-274 : 268

Hydroporus uenoi Nakane, 1963

MATERIAL EXAMINED. 5: 4.VII.2015, 1 ex.; 16: 17.V.2018, 1 ex.

DISTRIBUTION. East Siberia, Mongolia, China (Heilongjiang, Jilin), Russian Far East (Kamchatka, Khabarovsky Krai, Kuril Islands, Primorsky Krai, Sakhalin), Japan [ Nilsson, Kholin, 1994; Nilsson et al., 1997, 1999; Hájek, 2017a].

Family Hydrophilidae Latreille, 1802 Hydrobius fuscipes (Linnaeus, 1758) sensu lato

MATERIAL EXAMINED. 4: 18.IX.2018, 1 ex.; 7: 20.IV.2018, 2 ex.; 15: 28. V.2020, 1 ex.; 16: 17. V.2018, 1 ex.; 18: 20.IV.2018, 2 ex.

DISTRIBUTION. Europe, North Caucasus, Azerbaijan, Near East, Central Asia, West and East Siberia, Mongolia, China, Russian Far East (Amur Oblast, Khabarovsky Krai, Kuril Islands, Magadan Oblast, Primorsky Krai); North America [ Shatrovskiy, 1989b; Hebauer, 1995; Prokin, 2009; Fikáček et al., 2015; Ryndevich, 2016; Ryndevich, Angus, 2020].

NOTE. The Holarctic morphospecies Hydrobius fuscipes (Linnaeus, 1758) is represented by a complex of cryptic species, recently partly revised [ Fossen et al., 2016; Ryndevich, Angus, 2020]. Material from the Far East needs to be revised using cytogenetic and molecular methods.