Polylectic: In the British Isles, where the species is strongly associated with species of yellow-flowered Asteraceae, chiefly gathering pollen from these (pollen sources not confirmed). It visits Potentilla (Rosaceae); Angelica (Apiaceae); Euphorbia (Euphorbiaceae); Tussilago farfara, Pulicaria dysenterica, Bellis perennis, Eupatorium cannabinum, Hypochoeris radicata, Picris, Sonchus oleraceus, Hieracium, Crepis capillaris and Taraxacum (Asteraceae).
In Germany records of pollen sources from: Leucanthemum vulgare, Centaurea jacea, Senecio jacobaea, Cichorium intybus, Picris hieracioides, Crepis biennis, Taraxacum officinale, Leontodon autumnalis, Hypochoeris radicata, Hieracium pilosella, Hieracium umbellatum (Asteraceae); Echium vulgare (Boraginaceae); Convolvulus arvensis (Convolvulaceae); Ranunculus acris (Ranunculaceae) and Verbascum sp. (Scrophulariaceae)(Westrich, 1989).
Ebmer (1971) lists Achillea, Buphthalmum, Senecio, Solidago (Asteraceae); Papaver (Papaveraceae); Heracleum (Apiaceae).
Pawlikowski & Kruszynski (1997) list Hieracium pilosella (Asteraceae) as a forage source in Poland.
On Madeira males have been found visiting Aeonium glutinosum (Crassulaceae)(Fellendorf et al, 1999).
Mavromoustakis (1948) reports seeing the species in February at Asteraceae, and in October on Satureja incana (Lamiaceae)
Weismann et al (2017) working in the Azores have observed the species on Helminthotheca echioides, Hypochaeris radicata, Leontodon taraxacoides, Sonchus asper (Asteraceae) and Frankenia laevis Frankeniaceae)
Ortiz-Sanchez & Pauly (2017) report visitation to Leontodon longirostris, Crepis capillaris (Asteraceae); Cistis crispus (Cistaceae) in Spain.