Moureau 1949 Ophiocordyceps nutans is an entomopathogenic fungus belonging to the order Hypocreales (Ascomycota) in the family Ophiocordycipitaceae.

[2] In Korea, O. nutans is one of the most common species of Cordyceps.

[2] O. nutans, as well as other Cordyceps species, are mainly classified morphologically by their colour, fruit body shape, and host insect species.

[1] Stinkbugs cause considerable damage to agriculture and forestry, and the anamorph of O. nutans, Hymenostilbe nutans, is a potential selective biological control agent against the stinkbugs.

[1] Ophiocordyceps nutans is found in the tropical forest regions of: Japan, Taiwan, China, New Guinea, and Korea, as well as other places.