Siding holes can be filled with epoxy putty a two part adhesive of epoxy resin and hardening putty view example on amazon.
Fill bee holes in cedar siding.
Because the bees displace so much wood it takes a lot of product to fill the holes.
Carpenter bees prefer to excavate their nests in soft unpainted wood such as the back side of fascia boards siding window trim and porch ceilings.
Carpenter bees are so named because they build nests by boring holes in weathered intact wood often the exterior walls and siding of homes and other.
They can bore holes in the house and other things that do not need holes in them.
Use a putty knife to force the filler inside the hole making sure to fill in the hole and to completely cover the opening.
A closer look at a hole in wood shows carpenter bee inside.
Sealing a bee hole in an exterior wall.
When the product shrinks the hole is no longer completely filled requiring at least another round of caulk or putty and possibly even more.
On a warm day mix the two materials with a putty knife then spread.
They also bore into decks outdoor furniture fence posts and swing sets.
Fill the siding holes with wood filler.
Because these bees like many others feed on nectar and pollen they are important pollinators and beneficial for agriculture.