Malleusocoris, a new South American genus of Myodochini (Hemiptera, Rhyparochromidae) with modified antennae, along with some new synonymies and new combinations for misplaced taxa

The new monotypic genus Malleusocoris is described to accommodate the new species M. minimus sp. nov. from Argentina and Brazil. Its relationship with other genera of the tribe Myodochini (Hemiptera: Rhyparochromidae) is discussed. Moreover, the taxonomic allocation of Ptochiomera chilensis Spinol