Broadly oligolectic on Asteroideae (Asteraceae).
Müller & Kuhlmann (2008) list as pollen sources: Asteroideae (Asteraceae) and Resedaceae based on 11 pollen loads from 10 different locations.
Reported to visit Cistaceae, Apiaceae, Lamiaceae and Asteraceae in Spain. (Ornosa & Ortiz-Sánchez, 2004).