May 24,  · Pressure treated lumber is generally Carpenter Bees Treated Wood 75 well protected against decay fungi and most insects that eat wood. But remember, CARPENTER BEES aren’t eating the wood. They’re only drilling through it. I’ve seen plenty of nests located in pressure treated lumber so whatever is being injected does not seem to slow them down or kill them. Apr 17,  · Although carpenter bees prefer softwoods such Carpenter Bees Treated Wood Youtube as cedar, redwood, or cypress, they happily attack pine and most other species of wood. Even pressure treated wood is not immune from carpenter bee attack. As the bee drills into the wood, coarse sawdust may Carpenter Bees Treated Wood 00 be seen coming out of the hole and piling up beneath.5/5(20). May 25,  · Carpenter bees prefer to excavate untreated, unfinished wood. You can prevent carpenter bees from nesting in the first place by painting or varnishing your home's exterior. If an infestation has occurred, you will need to use an insecticide to eliminate the carpenter bees.
May 25,  · Carpenter bees prefer to excavate untreated, unfinished wood. You can prevent carpenter bees from nesting in the first place by painting or varnishing your home's exterior. If an infestation has occurred, you will need to use an insecticide to eliminate the carpenter bees. Carpenter bees usually infest softwood as it is easier to drill holes in them. Cedar, douglas fir, pine, redwood, spruce and yew are all examples of softwood that is usually used for construction. By replacing the softwood with hardwood such as mahogany, maple, oak and teak, you can reduce the risk of an infestation considerably. Nov 17,  · Fourth, if there is an abundant supply of bees nearby nesting in a somewhat limited amount of cellulose, the odds of them moving to your pavilion will increase. In summary, I’ve seen them nest in virtually any kind of wood including pressure treated lumber, cedar painted with Duron Paint and even railroad ties!

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