S. tuluna Traub & Johnson, 1952 .

El Derramadero: 1 female, 8/5/1996, ex Peromyscus pectoralis (014RAG); 1 male, 9/5/1996, ex Peromyscus pectoralis (020RAG); Maguey Verde: 1 male, 24/2/1983, ex Peromyscus difficilis saxicola (502MQ).