How to Get Rid of Carpenter Bee

Carpenter Bee, How to get rid of

HOW to GET RID of CARPENTER BEE

Carpenter bees are similar when it comes to controlling bees; however, in some ways they are different. Carpenter bees will drill a hole into the wood structure and will habit in the hole, whereas, other bees will build a hive. When carpenter bees drill through the wood, the females are the ones that usually do. The hole will be big as the female and she will build a nest in a 90 degree angle. Most of the carpenter bees do not sting, however there are some situations when they will. Male carpenter bees do not have stinger, but the females do and they have a very low dose of venom; so still be extremely cautious when you are approaching them. Be careful when you are trying to control a carpenter bee, because the male bee will confront you when you enter their territory. The carpenter bee looks similar to the bumble bee except that the carpenter bee abdomen is black and shiny instead of yellow. The male carpenter bee will have a yellow face and the female will have a black face and they are about 1″ long.

INSPECTION

Carpenter bees normally prefer unpainted and weathered wood; although that does not mean that they will not tunnel into your home. They can also be found in partially decayed live oak, deciduous oak, eucalyptus, and other hardwoods, some nests in incense cedar and redwoods and structural timbers. You can also look at your home to see if there are small holes on your structure such as the side, under gutters, shutters, wooden decks/patios, attics, and any where else that is made out of wood.

CONTROL METHODS

When treating the carpenter bees nests, avoid the entrance opening of the hive when you are treating it because it only increases the chance of being stung.

Carpenter Bee treatment is generally applied with a liquid spray (FenvaStar EcoCap, LambdaStar 9.7% CS), dust (DELTA DUST), and aerosols (STINGRAY WASP & HORNET SPRAY, PT WASP-FREEZE AEROSOL). They are to be applied to small cracks and crevices in a structure with a bee might enter or build its nest near. For liquid spray application(FenvaStar EcoCapLambdaStar 9.7% CS), you will need to have a pressure sprayer or a gallon sprayer (CHAPIN 1 GALLON SPRAYER).You will need to apply using the amount that is directed on the label and may need to reapply if needed. You will have to use a low pressure system with a pinpoint or variable patter nozzle to apply the spray mixture to areas such as the side, under gutters, shutters, wooden decks/patios, attics, and any where else that Carpenter Bee nests are found.

The dust application is simple. However, when using dust please be cautious especially when children and pets are present. Dust (DELTA DUST) and aerosol formulas ( STINGRAY WASP & HORNET SPRAY, PT WASP-FREEZE AEROSOL) are generally preferred here.If you find a hole on the side outside of your home, you will insert the tip of the duster with an extender (BELLOW BULB DUSTER) containing the dust into the hole and use as directed to holes or channels in damaged wooden member of the structure, to cracks, spaces or bearing joints between the wood members of the structure, or in the holes of the hives. Apply lightly and uniformly to infested area. DO NOT OVER USE DUST. We suggest that you use DELTA DUST  because even in moisture, it will not wash out or be blown out. This dust is active for 6 to 8 months.

Using the aerosol formula (STINGRAY WASP & HORNET SPRAY, PT WASP-FREEZE AEROSOL), be cautioned because aerosol is a liquid so do not use in electric outings, use only dust. You will just need to attach a thin straw to the nozzle depending on the product, and spray into the hole. Since the aerosol and/or dust will be the outer part of the hole, it will rub off on carpenter bees and it will transmit them inside the tunnel which in turn will cause them to die.

LambdaStar 9.7% CS FenvaStar EcoCap
LambdaStar 9.7% CS FenvaStar EcoCap

These products can be used with this item:

CHAPIN 1 GALLON SPRAYER
Chapin 1 gallon Sprayer
DELTA DUST
Delta

These products can be used with these items:

BELLOW BULB DUSTER
Bellow Bulb Duster
STINGRAY WASP & HORNET SPRAY PT WASP-FREEZE AEROSOL
Stingray PT Freeze

Author:
Date: Wednesday, 14. April 2010 12:32
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57 comments

  1. 1

    I saw some holes under the rail of mu wooded deck and some yellowish dust particles on the stairs just under the holes. There are many holes. There is no hole on the upper side. What is this? How we can treat this? How to protect my deck from this and restore my deck rail.

  2. 2

    Our deck is painted.

  3. 3

    For Carpenter Bee treatment we recommend that you lightly puff some of the Delta Dust inside the holes. After you stop seeing their activity around the holes it is best to close up the existing holes to prevent reoccurring infestations. Following the initial treatment of the Delta Dust I would recommend a follow up application of a residual insecticide on the surfaces such as Demand CS.

  4. 4

    Hello,
    I know where Carpenter Bees are going into my house – above the brick and under the siding. I’ve heard them drilling and laying eggs over the last month. I have the bottom row of siding off and want to fill the gap. Is it OK to do that knowing the bees that will come from the nest in 40 days or so will be under the house? Will they just die quickly if they don’t find a way out (into the light)?

  5. 5

    Many will drill new holes to get back outside. It is best to treat the entrance holes and wait until most have come out of the holes before closing them back up. You can treat the holes with Delta Dust which is a moisture proof dust, great for outdoor use.

  6. 6

    I either have carpenter bees or bumble bees living in my retaining wall by my mailbox. I never see a lot of them but there is always one loudly buzzing around. I see where they are entering the wall. My question is this: If I spray inside the wall with Spectracide Carpenter bee foaming aerosol, are they going to come flying out angrilly, swarm and sting me?

  7. 7

    Carpenter Bees are not very aggressive. The males are unable to sting and will usually hover around anyone who comes in close proximity to their nest. Its the female carpenter bees that can sting, but they will rarely take action unless she feels extremely threatened.

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