Pygomolpus

{{Short description|Genus of leaf beetles from South America}}

{{Speciesbox

| genus = Pygomolpus

| species = opacus

| display_parents = 3

| grandparent_authority = Bechyné, 1949{{cite journal|last=Bechyné|first=J.|year=1949|title=Liste provisoire des Eumolpides de la Republique Argentine et observations diverses sur les Eumolpides de l'Amerique du Sud (Col., Chrysomeloidea)|url=http://chrysomelidae.miza-ucv.org.ve/sites/chrysomelidae.miza-ucv.org.ve/files/1949_Separata_54.pdf|journal=Acta Zoologica Lilloana|volume=8|pages=457–535}}

| parent_authority = Bechyné, 1949

| authority = Bechyné, 1949

}}

Pygomolpus is a genus of leaf beetles in the subfamily Eumolpinae. It contains only one species, Pygomolpus opacus, and is the only member of the tribe Pygomolpini. It was described by the Czech entomologist Jan Bechyné in 1949. It is found in Brazil, Paraguay and Argentina.{{cite journal|last=Bechyné|first=J.|year=1953|title=Katalog der neotropischen Eumolpiden (Col. Phytoph. Chrysomeloidea)|url=https://www.biodiversitylibrary.org/page/49645311|journal=Entomologische Arbeiten aus dem Museum G. Frey|volume=4|pages=26–303|language=German}}