Carpenter bees drill holes into exterior wood siding, decks, most anything made of wood outdoors. They damage the wood and can cause extensive repair cost. An easy solution is to trap the bees using this bee trap. No chemicals are needed, simply hang the trap in the area of known bee activity. These traps are made of natural fir lumber; naturally more water resistant and does not tend to warp as bad as pine. The bee traps come completely assembled with instructions.