When I find resin bees inside nesting tunnels, I remove any mason bee cocoons , remove mason bee debris out of tunnels with a tooth brush, close up the nest and set out side ready for next year.
|Two delicately placed resin walls. No bees were in these cells.|
|Resin bee pupae within compartments made of resin.|
|Last year’s resin bees emerged during summer months
when resin softened up with the heat.