As this is a cleptoparasitic species, all flower visits will be for nectar only.
Flowers visited An unidentified Euphorbia (Euphorbiaceae)species appears to be the only British flower record, although other genera are surely visited.
Westrich (1989) lists the following plant species as nectar sources: Stellaria holostea (Caryophyllaceae); Bellis perennis (Asteraceae); Veronica chamaedrys (Scrophulariaceae).
Celary (1995) and Celary & Wisniowski (2001) list the following plants as nectar sources: Stellaria holostea (Caryophyllaceae); Veronica chamaedrys (Scrophulariaceae) Bellis perennis (Asteraceae).
Smit (2004) citing Koster (2000) lists Hypochoeris radicata (Asteraceae) as a nectar source.