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Best way to kill carpenter bees

post #1 of 43
Thread Starter 
I have had a nest of these things since last year. They are in the peak of the garage roof. I have sprayed two cans this year before they came back and a couple last year after they left and they are still here.

I have been using the Raid cans but does anyone have a suggestion on a brand of spray?
post #2 of 43
we had them in the same place, have to spray when they are in there, during the night.

We ended up capping with aluminum, solved the problem for us.
post #3 of 43
Thread Starter 
Thanks but it was capped about 5 years ago. These bees are now flying into people on the porch. I've never seen anything like it.
post #4 of 43
If these are those big buggers that sort of hover around. I like to grab a beer and a raquetball raquet.
Good fun.
post #5 of 43
Carpenter Bees are solitary nesters digging what looks like a 3/8" hole in cedar or other soft wood and laying a larva, then filling the hole with parralized(sp) spiders and other insects for the grub to feed on before emerging.

The look like large bumble bees.

It you have a nest with a bunch of critters in it, it is either wasps or hornets, not carpenter bees.
post #6 of 43
Try stuffing the hole with some sponge and soaking the sponge with wasp/hornet killer insecticide. Best done at night when they are all sleeping.

Most hardware stores carry insecticide specifically for wasps, hornets and even carpenter bees.
post #7 of 43

I use a badmitton racket for the ones within reach, 22 cal birdshot for the ones I can't. Hell of of lot easier than skeet! biggrin.gif

post #8 of 43
carpenters are like big black bumble bees. If you have a nest/hive, they're something else. You have to spray while they are there, poison in the spray goes away in a fairly short time.

I used any kind of "bee" spray to kill them when i had an issue, and they went down right away.

does it look like this:

paper wasp^^^^^

or this:

regular yellow wasp^^^^^^^

or this:

Mud wasp nest^^^^^^^
post #9 of 43
Thread Starter 
I am not sure what it looks like as they are under the fascia board on the roof peak. All I see is the waste drippings on the wall.

I don't see a nest, just a couple of dozen of these large bees that look like honey bees only with a black body and of course, are much bigger.
post #10 of 43
We call em wood bees, some say carpenter. Supposedly they dont sting. The sign of the mess they leave is obvious, and if you find the hole and plug it. They'll just make another hole. My nieghbor had....key word.... A cedar deck, when it was repaired, there wasnt much left of the 4x4s.
Good luck with that. I got some industrial spray from the cable guy, and that seemed to work.
post #11 of 43
Up here, with carpenter in their name, we just call them back to finish the job and they never are seen again.
post #12 of 43
Did a Yankee gutter restoration on a 1852 house. When I lifted the copper off the forward edge, they were lined up like perfectly, side by side every half an inch. I figured they got under there on a cold fall day and died from the cold. We stopped counting at 200, it was insane. BTW, my best shot with a trim gun was taking one out while it was hovering about 5 ft away biggrin.gif
post #13 of 43
Buy a product called Phantom. Read up and use my friends. Bugs of any kind will be a thing of the past. I used it on my outside foundation and haven't had a bug in the house ever since. PHANTOM
post #14 of 43
Originally Posted by ScottO View Post

Up here, with carpenter in their name, we just call them back to finish the job and they never are seen again.

Ain't that the truth.
post #15 of 43

There are 2 species of the Carpenter bees that look like Bumble Bees. One stings because it is a true bee. The other doesn't because it is a member of a fly family. The one that stings has a solid black head. The one without a stinger has a white dot between it's eyes. Both species bore a 3/8" hole into wood & then chew linear tunnels inside it where they lay eggs that hatch into grubs that digest the wood like termites as they mature. The adult fly members die in their tunnels after they mate and lay their eggs. I'm not sure about the life span of the true bee specie.

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