This Ruby-tailed wasp (Chrysis ignita sp. inc.) ^[1] walked up to one of the closed Ancistrocerus nigricornis nests, see here, and started demolishing the entrance plug. Minutes and a pile of removed rubble later she gave up and continued inspecting the rest of the bee hotels.

Ruby-tailed wasp (Chrysis ignita sp. inc.) on nest Ancistrocerus nigricornis

References