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Summary
DescriptionSphegina abrasa N. THEOBALD 1937.jpg
Français : Sphegina abrasa N. THEOBALD 1937. Diptère holotype du Sannoisien de Kleinkems (Pays de Bade), famille des Syrphidae, coll. Mieg, Musée de Bâle. Décrit dans : Nicolas Théobald, "Les Insectes fossiles des terrains oligocènes de France", Thèse 1937, page 243. Dessin pl. XVIII, fig. 12, 12a, 12b.
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