Dalopius is een geslacht van kevers uit de familie  
kniptorren (Elateridae).
Het geslacht is voor het eerst wetenschappelijk beschreven in 1829 door Eschscholtz.

Soorten 
Het geslacht omvat de volgende soorten:
 Dalopius agnellus Brown, 1934
 Dalopius ainu Kishii, 1962
 Dalopius allegheniensis Knull, 1947
 Dalopius apterus Platia & Gudenzi, 2006
 Dalopius asellus Brown, 1934
 Dalopius bizen Kishii, 1984
 Dalopius brevicornis Brown, 1934
 Dalopius californicus (Mannerheim, 1843)
 Dalopius cognatus Brown, 1934
 Dalopius contiguus (Faldermann, 1835)
 Dalopius corvinus Brown, 1934
 Dalopius dentatus Brown, 1934
 Dalopius effetus Brown, 1934
 Dalopius exilis Kishii, 1956
 Dalopius fucatus Brown, 1934
 Dalopius fuscipes Brown, 1934
 Dalopius gartrelli Brown, 1934
 Dalopius gentilis Brown, 1934
 Dalopius gracilis Brown, 1934
 Dalopius hispidus (LeConte, 1884)
 Dalopius ignobilis Brown, 1934
 Dalopius improvidus Brown, 1934
 Dalopius incomptus Brown, 1934
 Dalopius inordinatus Brown, 1934
 Dalopius insolens Brown, 1934
 Dalopius insolitus Brown, 1934
 Dalopius insulanus Brown, 1934
 Dalopius invidiosus Brown, 1934
 Dalopius japonicus Kishii, 1984
 Dalopius jucundus Brown, 1934
 Dalopius kushiroensis Ôhira, 1997
 Dalopius luteolus Brown, 1934
 Dalopius lutulentus Brown, 1934
 Dalopius macer (LeConte, 1857)
 Dalopius manipularis Brown, 1934
 Dalopius marginatus (Linnaeus, 1758)
 Dalopius maritimus Brown, 1934
 Dalopius mirabilis Brown, 1934
 Dalopius miwai Ôhira, 1972
 Dalopius mutabilis Brown, 1934
 Dalopius mutsuensis Ôhira, 1989
 Dalopius naomii Kishii, 1981
 Dalopius nevadensis (LeConte, 1884)
 Dalopius niponensis Ôhira, 1970
 Dalopius obscuricollis Jiang in Jiang & Wang, 1999
 Dalopius ohioensis Knull, 1947
 Dalopius pallidus Brown, 1934
 Dalopius partitus Brown, 1934
 Dalopius parvulus Brown, 1934
 Dalopius patagiatus (Lewis, 1894)
 Dalopius pauper (LeConte, 1853)
 Dalopius peninsularis Kishii, 2006
 Dalopius pennsylvanicus Brown, 1934
 Dalopius plutonicus Brown, 1934
 Dalopius porosus (Van Dyke, 1932)
 Dalopius puerilis (Candèze, 1879)
 Dalopius radiculosus Gurjeva, 1964
 Dalopius sellatus Mannerheim, 1852
 Dalopius sericatus (Motschulsky, 1859)
 Dalopius simplex (Motschulsky, 1859)
 Dalopius singeri (Brancsik, 1914)
 Dalopius spretus Brown, 1934
 Dalopius subustus (LeConte, 1853)
 Dalopius suspectus Brown, 1934
 Dalopius tamui Kishii, 1957
 Dalopius tristis Brown, 1934
 Dalopius tularensis Brown, 1934
 Dalopius usitatus Brown, 1934
 Dalopius vagus Brown, 1934
 Dalopius validus Brown, 1934
 Dalopius vernus Brown, 1934
 Dalopius vetulus Brown, 1934
 Dalopius virginicus Brown, 1934
 Dalopius yakuensis Kishii, 1975