A polylectic species, but showing a preference for Asteraceae (eg Ivanov et al., 2005)
Mavromoustakis (1960) lists Centaurea (Asteraceae) a a forge source in Rhodes
Banaszak & Romasenko (1989), copied by Stanisavljević (2000), list the following forage sources: Carduus, Centaurea, Onopordon, Helianthus, Senecio (Asteraceae).