Nyholmia is a genus of marsh beetles in the family Scirtidae. There are about five described species in Nyholmia.
Species These five species belong to the genus Nyholmia: Nyholmia bicolor (LeConte, 1853) Nyholmia collaris (Guérin-Méneville, 1843) Nyholmia confusa (Brown, 1930) Nyholmia drymophila (Young & Stribling, 1990) Nyholmia okiensis Yoshitomi & Hayashi, 2016
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