Diplopseustis is a genus of snout moths in the subfamily Lathrotelinae of the family Crambidae. It was described in 1884 by Edward Meyrick with Cymoriza minima Butler, 1881 as its type species, which is now considered a synonym of Diplopseustis perieresalis.

The genus currently comprises seven species distributed in the Afrotropical, Indomalayan and Australasian realm.

Species Diplopseustis constellata Warren, 1896 Diplopseustis nigerialis Hampson, 1906 Diplopseustis pallidalis Warren, 1896 Diplopseustis perieresalis (Walker, 1859) Diplopseustis prophetica Meyrick, 1887 Diplopseustis selenalis Hampson, 1906

Former species Diplopseustis metallias Meyrick, 1897 is now placed in Sufetula.

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