Megadytes lherminieri (Guérin-Méneville, 1829) Dytiscus lherminieri Guérin-Méneville, 1829 Cybister giganteus Laporte, 1835[1] Trogus olivieri Crotch, 1872 Bifurcitus lherminieri, formerly Megadytes lherminieri, is a species in the genus Bifurcitus of large diving beetles found in the Neotropics.

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