After sealing her cavity she goes searching other mud sealed holes, some may already contain her own young and the larger holes belonged to red mason bees. She tried to bite the mud from these possibly trying to use it to finish off sealing her own cavity. This mud was far too hard for her.
Thu, 01/11/2012 - 21:12#1
A Symmorphus bifasciatus (?) wasp sealing her cavity – video