- Cenophengus guerrerensis Zaragoza-Caballero, 1991

Holotype: ♂. MEXICO: Guerrero, Iguala, Cerro Tuxpan, 12/VII/1988. Col. R. Sánchez; 11617, 8–2 pm. Conservation status: Complete, well-preserved; wing and leg mounted on a card.

Paratypes: 3 ♂. Ídem. 13/VII/1988. Col. Noc. Specimens labeled: “11622”, “11626” and “11623”. Conservation status: Complete, well-preserved.

Paratypes: 4 ♂. MEXICO: Guerrero, Iguala, Cerro Tuxpan, 1700 m, 25/VI/1986. Col. R. Sánchez, H. Pérez R. Conservation status: Complete, well-preserved; antenna of one specimen mounted on the label.