I just recently got into ant keeping so I am not 100% sure if this is a queen, but considering the size of the torax I am pretty confident. I did my best with the pictures I hope the quality is good enough, thanks!
1. Location of collection: east France
2. Date of collection: may 13 2017
3. Habitat of collection: city parc, near a river
4. Length (from head to gaster): about 8/9 mm