- Stenosphenus proruber Giesbert & Chemsak, 1989

Holotype: [unknown sex]. MEXICO: Jalisco, Estación de Biología Chamela, UNAM, 14–23/X/1986. Col. J. A. Chemsak.

Conservation status: Complete, well-preserved.

Allotype: [unknown sex]. Ídem.

Conservation status: One specimen without the left antennae. Paratypes: 2 [unknown sex]. Ídem.

Conservation status: Complete, well-preserved.

Paratype: 1 [unknown sex]. MEXICO: Jalisco, Chamela, 5/VII/1985. Col. R. Ayala.

Conservation status: Complete, well-preserved.

Paratype: 1 [unknown sex]. MEXICO: Jalisco, Estación de Biología Chamela, UNAM, 23/XI/1985, N3b. Col. F. A. Noguera M.

Conservation status: Complete, well-preserved.