Family Dytiscidae (atlas of beetles of Russia) Tribe Laccornini (Coleoptera, Dytiscidae) Laccornis oblongus (Stephens, 1835) = Hydroporus oblongus Stephens, 1835:437 = Hydroporus nitidus Sturm, 1835:38 = Hydroporus bohemani Thomson, 1856:198
