Genus Melanaethus Uhler
Melanaethus Uhler, 1876:280 . Type species: Melanaethus elongatus Uhler, preoccupied, renamed Geotomus parvulus Signoret, which is a junior synonym of Aethus subglaber Walker, monotypic.
dunensis Mayorga & Cervantes, 2006
Melanaethus dunensis Mayorga & Cervantes, 2006 . Rev. Mexicana de Biodiv. 77:211–212.
Holotype: male (IEXA) MEXICO, Veracruz, Actopan. Paratypes: 3 males, 4 females (IEXA, UNAM,)
wolcotti Froeschner & Maldonado, 1992
Melanaethus wolcotti Froeschner & Maldonado, 1992 . J. Agric. Univ. Puerto Rico 76:177–180. Holotype: male (USNM) PUERTO RICO, Toa Baja. Paratypes: 4 males, 1 female (USNM) PUERTO RICO, Toa Baja.