Aug 24, 2015 - Explore tkjourney's board "BEE REPELLENT" on Pinterest. See more ideas about Bee repellent, Bee and Bees and wasps. Fill a spray bottle with the citrus-extract water and spray the carpenter bee burrows with it. Carpenter bees, like other insects, have a natural aversion to citrus oil (which is why the skin and rind protect the fruit on the inside — to keep it away from predators) and so will be particularly bothered by your citrus-extract spray.
May 23, 2015 · Apply Natural Oils: Spray or wipe citrus oil or tea tree oil to wood surfaces under attack. Almond oil and lavender oil are also options to repel carpenter bees. Treat Entrance Holes: Carbaryl dust or boric acid should be applied to the sides of the entrance holes to ensure contact with the bees. Also, dust or push insecticide as far as possible into the tunnel.