Domestic bees don't visit insect hotels and solitary bees don't share the same parasites as the domestic ones. An apiculturist will need to apply products inside the honeycomb to keep the bees safe in any case.
Burning your insect hotel each year does not matter, the parasites are inside the beehive, not in the insect hotel. Is an advice that only helps the seller of insect hotels. Solitary bees don't live in the nests. They lay eggs, add food, close the door and never return.
Burning your insect hotel each year does not matter, the parasites are inside the beehive, not in the insect hotel. Is an advice that only helps the seller of insect hotels. Solitary bees don't live in the nests. They lay eggs, add food, close the door and never return.