Five new species of Metapolybia are described, Metapolybia carpenteriana, Andena & Noll, sp. nov. (Ecuador, Peru), Metapolybia pseudodocilis Cortes, sp. nov. (Bolivia), Metapolybia richardsi Andena, sp. nov. (Ecuador), Metapolybia sulamerica Carpenter, sp. nov. (Colombia), Metapolybia zucchiana Andena & Carpenter, sp. nov. (Panama), in addition to the hitherto unknown males of M. bromelicola, M. encantata, M. mesoamerica, M. servilis and M. rufata plus two new species. Comparative remarks for the species are given.