Cleptoparasitic: Hosts; Richards (1979) records Lasioglossum minutissimum as a host of this species (Else & Edwards, 2018).
In Germany, F.K. Stöckhert (1933) also records L. minutissimum as a host of this species; Alfken (1912) observed individuals around the nest burrows of L. morio and L. leucopus.
Celary (1991) lists the following species as possible hosts: Lasioglossum morio, L. leucopus and L. minutissimum.