Hypotrix Guenée. Generic combinations from Lafontaine, Ferris, and Walsh (2010). The generic names Trichorthosia Grote, Ursogastra Smith, and Trichagrotis McDunnough were synonymized with Hypotrix and four species were transferred from Hexorthodes McDunnough.

• Lafontaine JD, Ferris CD, Walsh JB (2010) A revision of the genus Hypotrix Guenée in North America with descriptions of four new species and a new genus (Lepidoptera: Noctuidae: Noctuinae: Hadenini). ZooKeys 39: 225-253.