An oligolectic species, specialising in Asteraceae subfamily Cichorioidae (Pesenko in Banaszak, 1995; E. Scheuchl pers. obs. 2014 ).
Flower records include Scorzonera sublanata and Crepis commutata (Asteraceae) (Nielsen et al. 2011). Another pollen source in Israel is Crepis aspera (unpublished data, E. Scheuchl pers. comm. 2014).
The males of A. merula are pollinators of Ophrys cressa in Crete (Paulus 2007) and of Ophrys sicula (Orchidaceae) in Lesbos (Paulus and Salkowski 2007) by pseudocopulation.