Polylectic species.
Flowers visited: Pollen source not known. Males have been collected from Trifolium repens (Fabaceae); Origanum vulgare (Lamiaceae); Carduus nutans, Cirsium acaule and Centaurea nigra (Asteraceae).
Rasmont (1988) lists the following forage species: Trifolium incarnatum, Trifolium pratense, Onobrychis viciifolia (Fabaceae); Epilobium sp. (Onagraceae); Galeopsis angustifolia, Stachys annua, Clinopodium sp. (Lamiaceae); Carduus carlinoides, Centaurea cyanus, Centaurea scabiosa (Asteraceae).
In Spain, Ornosa & Ortiz-Sánchez (2004) list the following plant families as providing forage: Lamiaceae and Asteraceae.
Wüstenei (1891)(cited in Knuth, 1908) reports visitation to Carduus crispus (Asteraceae).