This file is from Wikimedia Commons and may be used by other projects.
The description on its file description page there is shown below.
Summary
DescriptionThèse Nicolas Théobald Pl. XXIII Fig. 1 Chilosia oligocenica.jpg
Français : Chilosia oligocenica est une espèce de diptère du Stampien d'Aix-en-Provence. L'holotype Am 24, de la collection du Museum de Paris, a été décrit par Nicolas Théobald dans sa Thèse de 1937 (Les insectes fossiles des terrains oligocènes de France), pages 353-354.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.