We revise the large Neotropical genus Operclipygus Marseul. in the histerid tribe Exosternini (Histeridae: Histerinae). We synonymize 3 species. move 14 species from other genera. https://safeersappliancers.shop/product-category/neff-d95ihm1s0b-90cm-angled-chimney-hood-touch-control-700m%c2%b3-h/