Tenthredopsis friesei, the common sawfly, is a species belonging to the family Tenthredinidae.

[1] Tenthredopsis friesei can reach a length of 10–11 millimetres (0.39–0.43 in) in males, of 9–12 millimetres (0.35–0.47 in) in females.

[2][3] Adults can be encountered from May through June feeding on nectar and pollen.

The larvae feed on Holcus mollis.

[2] These sawflies are mainly present in Austria, Belgium, British Isles, Croatia, Czech Republic, Denmark, France, Germany, Italy, North Macedonia, Poland, Romania, Russia, Slovakia, Spain and Switzerland.