Tenthredo livida is a sawfly species belonging to the family Tenthredinidae (common sawflies), subfamily Tenthredininae. This species is present in most of Europe. The adults are to 12–15 millimetres (0.47–0.59 in) long. The thorax and head are black, with a large white mouth area and white tips on antennae. The abdomen is black in females, orange-reddish in males. They can be encountered from May through August feeding on small insects and on nectar and pollen of flowers (especially on Apiaceae species).