Cleptoparasitic: Hosts; Andrena labialis, A. schencki, A. decipiens (a variety of authors, listed by Westrich, 1989).
Celary (1995) adds Andrena taraxaci and A. humilis as hosts.
Smit (2018) all of the above (and others) and adds Andrena fimbriata and A. flavilabris as possible hosts