---

After some further research and comparison with available descriptions, I’ve taken a closer look at the three species listed in Archivum Zoologicum:

C. scutata: short body hair, variable coloration from mostly yellow with black stripes to almost completely black; third antennal segment slightly longer than wide.

C. pilosa: longer, somewhat shaggy hairs; dark body with dark reddish-brown areas; broad third antennal segment; clear median groove on the ocellar triangle.

C. breviantennata: similar pilosity to pilosa but overall lighter yellow body; square-shaped third antennal segment with rounded corners; narrower, more pointed ocellar triangle.

Given the limitations of the image (and I’m fully aware it's quite poor!), it’s hard to assess pilosity or precise antennal proportions. However, based on general appearance — dark compact body, dark wings, and yellowish scutellum — C. pilosa still seems to fit best.

Interestingly, this species doesn't appear in the French INPN database, while the other two do. I'm reaching out to experts for confirmation, and I hope to revisit the site soon to try and collect a specimen under better conditions.

Any feedback or correction is, of course, more than welcome!