What is "gesomyrmex"

Gesomyrmex is a genus of ants in the subfamily Formicinae. The genus contains six extant species, known from the Indomalayan region, and seven fossil species. Of the extant species, four are known only from workers (G. chaperi, G. howardi, G. kalshoveni and G. spatulatus) and two only from females (G. luzonensis and G. tobiasi).