---

Hello,

I’m submitting this male Thereva specimen for your opinions. I’m aware that identifying males in this genus is notoriously tricky, but following the key I used (not the one by Mark van Veen, which unfortunately seems no longer accessible), I was able to observe the listed characters that lead me to Thereva inornata:

2b. Anterior part of tergites 2–5 dark
4b. At least part of the tergites matte
5a. At least one posteroventral seta at the base of the hind femur
6a. Two pairs of dorsocentral setae
-> Thereva inornata


JC Bartolucci : France : Saint-Laurent-d'Aigouze : 30220 : 17/05/2025
Altitude : NR - Taille : 12 mm
Réf. : 359537


JC Bartolucci : France : Saint-Laurent-d'Aigouze : 30220 : 17/05/2025
Altitude : NR - Taille : 12 mm
Réf. : 359540


JC Bartolucci : France : Saint-Laurent-d'Aigouze : 30220 : 17/05/2025
Altitude : NR - Taille : 12 mm
Réf. : 359541

Despite these matching features, I still have some doubts — particularly due to the dark wing zones, which don’t quite match the gallery images I’ve seen for T. inornata.

Any thoughts or confirmation would be greatly appreciated :)

Thanks in advance!

JC

---

Thereva sp. ?