Erythmelus (Erythmelus) gracilis Howard
Erythmelus (Erythmelus) gracilis Howard, 1881: 370 . Holotype female in MLPA. Type locality: District of Columbia, USA. Erythmelus (Erythmelus) gracilis: Triapitsyn et al., 2007: 56 –59 (synonyms, distribution); Guzmán-Larralde et al., 2015: 125 (key, distribution).
Distribution. Baja California, Baja California Sur, Nuevo León, Tamaulipas, Zacatecas.