A polylectic species. Pollen samples from the Mediterranean area show pollen of Asteraceae (Cirsium and Helianthus type), Brassicaceae and Cistaceae (Westrich, 1989)
Ortiz-Sanchez & Pauly (2017) report visitation to Eryngium sp. (Apiaceae) and Sinapis sp. (Brassicaceae) in Spain.