Nesting above and underground. Nests are built in pre-existing cavities in dead wood, hollow plant stems or oak galls. Dwellers of nesting boxes with similar characteristics. Brood cell partitions and terminal plug are made of leaf mastic.
Nesting above and underground. Nests are built in pre-existing cavities in dead wood, hollow plant stems or oak galls. Dwellers of nesting boxes with similar characteristics. Brood cell partitions and terminal plug are made of leaf mastic.