• Lasionycta alpicola Lafontaine & Kononenko, 1988
• Lasionycta anthracina Crabo & Lafontaine, 2009
• Lasionycta benjamini Hill, 1927
• Lasionycta brunnea Crabo & Lafontaine, 2009
• Lasionycta buraetica Kononenko, 1988
• Lasionycta caesia Crabo & Lafontaine, 2009
• Lasionycta calberlai (Staudinger, 1883)
• Lasionycta carolynae Crabo, 2009
• Lasionycta coloradensis (Richards, 1943)
• Lasionycta conjugata (Smith, 1899)
• Lasionycta coracina Crabo & Lafontaine, 2009
• Lasionycta corax Kononenko, 1988
• Lasionycta decreta (Püngeler, 1900)
• Lasionycta discolor (Smith, 1899)
• Lasionycta dolosa (Barnes & Benjamin, 1923)
• Lasionycta draudti (Wagner, 1936)
• Lasionycta fergusoni Crabo & Lafontaine, 2009
• Lasionycta flanda (Smith, 1908)
• Lasionycta frigida Crabo & Lafontaine, 2009
• Lasionycta gelida Crabo & Lafontaine, 2009
• Lasionycta haida Crabo & Lafontaine, 2009
• Lasionycta hampsoni Varga, 1974
• Lasionycta hospita Bang-Haas, 1912
• Lasionycta illima Crabo & Lafontaine, 2009
• Lasionycta impar (Staudinger, 1870)
• Lasionycta impingens (Walker, 1857)
• Lasionycta lagganata (Barnes & Benjamin, 1924)
• Lasionycta leucocycla (Staudinger, 1857)
• Lasionycta levicula (Püngeler, 1909)
• Lasionycta luteola (Smith, 1893)
• Lasionycta macleani (McDunnough, 1927)
• Lasionycta melanographa Varga, 1973
• Lasionycta mono Crabo & Lafontaine, 2009
• Lasionycta montanoides (Poole, 1989)
• Lasionycta mutilata (Smith, 1898)
• Lasionycta orientalis (Alphéraky, 1882)
• Lasionycta perplexa (Smith, 1888)
• Lasionycta perplexella Crabo & Lafontaine, 2009
• Lasionycta phaea (Hampson, 1905)
• Lasionycta phoca (Möschler, 1864)
• Lasionycta poca (Barnes & Benjamin, 1923)
•  ?Lasionycta poliades (Draudt, 1950)
• Lasionycta promulsa (Morrison, 1875)
• Lasionycta proxima (Hübner, [1809])
• Lasionycta pulverea Crabo & Lafontaine, 2009
• Lasionycta quadrilunata (Grote, 1874)
• Lasionycta sasquatch Crabo & Lafontaine, 2009
• Lasionycta secedens (Walker, [1858])
• Lasionycta silacea Crabo & Lafontaine, 2009
• Lasionycta sierra Crabo & Lafontaine, 2009
• Lasionycta skraelingia (Herrich-Schäffer, [1852])
• Lasionycta staudingeri (Aurivillius, 1891)
• Lasionycta subalpina Crabo & Lafontaine, 2009
• Lasionycta subdita (Möschler, 1860)
• Lasionycta subfumosa (Gibson, 1920)
• Lasionycta subfuscula (Grote, 1874)
• Lasionycta taigata Lafontaine, 1988
• Lasionycta uniformis (Smith, 1893)

Lasionycta arietis, Lasionycta insolens, Lasionycta ochracea, Lasionycta sala, Lasionycta wyatti Have been transferred to the Psammopolia genus.