I have a customer that has a new log home but is having trouble with carpenter bees. Is there any kind of preventive pest control for a log home?
This can be difficult, and unfortunately chemical options are very limited and short lived. In the past there was pretty good success with the use of one of the microencapsulated pyrethroid products that could be applied generally over exterior surfaces during the period when the adult bees were actively seeking nesting sites. But, with the new pyrethroid labeling this kind of overall treatment on the exterior is no longer allowed, and spot applications only can be done, meaning you would have to pick and choose the places on that log home where you felt the bees were most likely to try to initiate their burrowing into the wood, and treat no more than a 2 square foot area around that point. This may still be somewhat helpful, as the bees may be most likely to look for some place where there is some kind of starting point for them, such as a knot hole, wide crack, or a seam between logs.
Mr. Pest Control
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