Maccaffertium mexicanum

Maccaffertium mexicanum is a species of flatheaded mayfly in the family Heptageniidae. It is found in Central America and North America. In North America its range includes southern Mexico.

Subspecies
These two subspecies belong to the species Maccaffertium mexicanum:
 * Maccaffertium mexicanum integrum (McDunnough, 1924)
 * Maccaffertium mexicanum mexicanum (Ulmer, 1920)