Infrageneric classification and revision of the Oriental species of the genus Brachypalpoides Hippa (Diptera, Syrphidae) : Recharacterization of Chalcosyrphus (Syrittoxylota) Hippa (Diptera, Syrphidae) and revision of the species ; Morphology and taxonomy of the Malagasy genus Vadonimyia Séguy (Diptera, Syrphidae)
Infrageneric classification and revision of the Oriental species of the genus Brachypalpoides Hippa (Diptera, Syrphidae) : Recharacterization of Chalcosyrphus (Syrittoxylota) Hippa (Diptera, Syrphidae) and revision of the species ; Morphology and taxonomy of the Malagasy genus Vadonimyia Séguy (Diptera, Syrphidae)
Infrageneric classification and revision of the Oriental species of the genus Brachypalpoides Hippa (Diptera, Syrphidae) : Recharacterization of Chalcosyrphus (Syrittoxylota) Hippa (Diptera, Syrphidae) and revision of the species ; Morphology and taxonomy of the Malagasy genus Vadonimyia Séguy (Diptera, Syrphidae)
Infrageneric classification and revision of the Oriental species of the genus Brachypalpoides Hippa (Diptera, Syrphidae) : Recharacterization of Chalcosyrphus (Syrittoxylota) Hippa (Diptera, Syrphidae) and revision of the species ; Morphology and taxonomy of the Malagasy genus Vadonimyia Séguy (Diptera, Syrphidae)