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.
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| Two delicately placed resin walls. No bees were in these cells. |
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| Resin bee pupae within compartments made of resin. |
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| Last year’s resin bees emerged during summer months when resin softened up with the heat. |