Cicadatra atra - Cigale noire
This is a small Cicada with a body that is about 18 mm length, generally black with some blackish pattern on the mesonotum. Their fore wings have 2-3 black patches and the femur 3 has 3-4 spines, with the basal being longer.
In France they are restricted to the Mediterranean regions and Provence and peak adult activity is in June - July and to some extent in August.
To litsen there are some sound files HERE