Risch (pers. comm.) suggests that the species may be polylectic, but has a preference for various Asteraceae.
Vereecken, Risch & Cortis (in prep.) report that Ophrys scolopax (Orchidaceae) is pollinated by patrolling males of Eucera (Hetereucera) barbiventris which pseudocopulate with the labellum of the flower.