Heracleum sphondylium
These sawflies can be encountered from May to July, feeding on pollen and nectar of several Apiaceae species ("Aegopodium podagraria", "Meum athamanticum", "Heracleum sphondylium", etc.), Euphorbiaceae species ("Euphorbia" spp.) and Asteraceae species ("Tanacetum vulgare").