Often masonry bees are opportunist utilising pre existing crevices etc such as old nail holes irregular cavities in stone beetle borings in timber as well as spaces under roof tiles behind ventilation grilles and even inside locks.
Masonry bees in roof tiles.
Remove the tiles where the hive is located.
In general most structural hive removals from a tile roof are performed by following the steps below.
When removing honey bees in roof spaces there are two main options either get to the honey bee nest from outside thru the roof or from the inside thru the ceiling.
At times this can be difficult.
It s said that their genus is named for the citrusy scent mason bees use to mark their nests.
Identify location of hive inside structure.
I have read there is all different types of bees and it sounds like a masonry bee but l don t know for sure.
It s important to get rid of roof bees and then take measures to prevent their return.
A hive in this area of the home can attract other rodents and pests into the house.
Bees in the roof are another story altogether.
Generally honey bees don t colonise roofs when they are flying in beneath tiles they more often than not are colonising a cavity wall or an old dismantled chimney stack that is hidden beneath the tiles or possibly a soffit.
Be careful not to break any tiles.
Other times the hive is right where the bees are entering.
Additionally roof bees can easily get into the general living area of the home and cause mischief.
Pull back the tar paper.