Tenthredopsis scutellaris

Adults of Tenthredopsis scutellaris can reach a length of 8.5–12 millimetres (0.33–0.47 in).^[3] Thorax is black, with a yellow stripe along the forehead and yellow scutellum and postscutellum. The legs are brown, but the hind legs are black. The wings are clear with brown veins.^[4] Sexual dimorphism is not conspicuous, but in males the rear thigh is rather light, while in the females it is dark. Moreover in the females the abdomen is black with a central broad red band.^[5]

Adults of Tenthredopsis scutellaris can be encountered from May through June^[3] feeding on nectar and pollen of flowers of Apiaceae species (Heracleum sphondylium).^[3] The larvae are polyphagous on a variety of plants, especially on Apiaceae species (Anthriscus sylvestris) and on herbaceous plants (Poaceae species).^[3]