EN
Zadenos jani, Z. jozwiki, Z. kaweckii and Z. szatalowiczi are described as new species. Z. incostatus Koch, 1956 and Z. natalensis Koch, 1956, previously known only from female specimens, are redescribed. Lectotype for Zadenos mulsanti Koch, 1956 is designated, in order to fix the taxonomic status of this species. An updated checklist of all known Zadenos species is provided. This paper brings the total species number within the genus to 37.