Nesting aboveground. Nests are built in pre-existing cavities in dead wood, drystone walls and in the abandoned nests of other hymenoptera. Brood cell partitions and terminal plug are made leaf mastic.
Nesting aboveground. Nests are built in pre-existing cavities in dead wood, drystone walls and in the abandoned nests of other hymenoptera. Brood cell partitions and terminal plug are made leaf mastic.