Posted 6/29/2020 10:55 (#8343236 - in reply to #8342907) Subject: RE: Carpenter bees
North of London
Now that you have them you need to get rid of them.
Not many holes? DIY with a spray can of insecticide. Stick the straw into the hole and foam it.
Might have to redo but sometimes brings the dying bees or larvae right out.
Best thing is to paint to varnish any wood as they prefer unfinished wood.
Best to do that early in the year before any queens appear to start again and you have to fill/plug all the old holes.
I believe they tend to come back to the place they were born so once a brood has taken off expect visitors again next year.
Still fighting them here as they found a little strip of unfinished wood above the aluminum facia.
I watch for sawdust in eaves trough and then foam them.
Actually have not found any this year yet so MAYBE we have caused them all to move on but have been fighting them one hole at a time for 10 years now