- Heterocerus usingeri Pacheco, 1961

Paratype: 1 ♂. MEXICO: Estado de México, Temescaltepec. Col. H. E. Hinton & R. L. Usinger. Hinton Coll. B. M. 1938 -59.

Conservation status: Complete, well-preserved.

Additional notes: The only information originally given is the name of the “Temescaltepec” locality. We added data about country and county.