Apparently a polylectic species. Grace (2010) lists the following species as forage sources: Centaurea sp. Achillea, Aster amellus (Asteraceae); Scabiosa, Succisa (Dipsacaceae); Daucus, Heracleum, Angelica (Apiaceae). Mavromoustakis (1948; 1951; 1952) lists Dittrichia (=Inula) viscosa, Carlina lanata, Calendula persica, Centaurea hyalolepis, Centaurea cilicica (Asteraceae); Helianthemum obtusifolium (Cistaceae); Polygonum equisetiforme (Polygonaceae); Ammi sp. (Apiaceae).
Devalez (https://www.flickr.com/photos/habropoda/23806343182/in/dateposted/) reports visitation to Mentha (Lamiaceae) on Lesvos