- Trechus tolucensis Bolívar y Pieltain, 1941

Paratype: 1 [unknown sex]. MEXICO: Estado de México, Nevado de Toluca, cráter, 4100 m, 3/III/1940. C. Bolívar.

Conservation status: Complete, well-preserved.

Additional notes: The current name of this species is Trechus (Trechus) tolucensis Bolívar y Pieltain, 1941.