- Walterius emilioi Zaragoza-Caballero, 2008

Holotype: ♂. MEXICO: Oaxaca, Huatulco, Entronque carr. Salina Cruz-Santa Cruz, 204 m, 15°48'33.3" N, 96°10'11.7" W, 0 6 al 11/VII/2005. Col. S. Zaragoza, F. Noguera, E. Ramírez y E. González, T.M. 2.

Conservation status: Complete, well-preserved; wing mounted on card. Paratype: 1 ♂. MEXICO: Oaxaca, Dominguillo, 21/VI/1998. Col. S. Zaragoza, F. Noguera, E. Ramírez y E. González, T.L. 2.

Conservation status: Complete, well-preserved.

Paratype: 1 ♂. MEXICO: Oaxaca, Dominguillo, 760 m, 17°38'907" N, 96°54'703" W, 21/I/1998. Col. S. Zaragoza, T.L. 2, Proy. 4751N.

Conservation status: Complete, well-preserved; genitalia and wing glued on a card.