Revalidation of an erroneously synonymized Helina species and reminder of a forgotten Lispe species from the Afrotropical Region

Abstract

Helina scutellaris Zielke, 1971 registered at the websites of Systema dipterorum and Catalogue of Life as a synonym of Dichaetomyia rangeri (Zielke, 1973), is recognized as a valid species, distinct from D. rangeri. The major taxonomic differences between the two species are discussed. Additionally, another valid species, Lispe congensis Zielke, 1970 is not to be found in the two websites, neither as a valid species, nor as synonym. To prevent L. congensis falling into complete oblivion, the species is brought to recollection.