title: Sibling species delimitation and nomenclature of the Merodon avidus complex (Diptera: Syrphidae)
abstract: A study of the relationships between 21 southern European, Moroccan and Turkish populations of the Merodon avidus species complex was carried out. Based on a parallel study of type material from several museums, documented diagnostic morphological characters, season of adult activity and geographical distribution, we justify the use of the following names for three closely related taxa in this complex: M. avidus (Rossi, 1790), M. moenium (Wiedemann, 1822), and M. ibericus VujiÄ nom. n. (new nam
journal: European Journal of Entomology