* Monomorium pharaonis (Linnaeus) ^HNS

Monomorium pharaonis, ^HNS M. salomonis ^HNS and M. subopacum ^HNS are the only species in the Neotropics with head and mesosoma with fine reticulate-punctate sculpturation and mandibular dorsum with coarse longitudinal rugulae. M. pharaonis ^HNS has two rows of hairs on the head between the vertex and carinae, which distinguishes this species from the other two. M. pharaonis ^HNS is one of the best-known Old World tramp species.