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This is a discussion on Wasps, Ants etc. within the Orchid Ailments / The Compost Pile forums, part of the Orchid Culture category; The product I used (Home Exterminator) contains orthoborate so it isn't really an insecticide. I ...
The product I used (Home Exterminator) contains orthoborate so it isn't really an insecticide. I am surprise it worked so well now that I looked it up. You wouldn't have to tie it to the mount. The ants forage at night. As long as the container is close by they will find it.
Another good control for carpenter ants is anything with Abamectin which is a natural soil borne agent. Since it is not a toxic insecticide you might be able to find it in Ontario.
The biggest problem to me has always been the ants. Once, after I was forced to throw a plant that died after a serious ant invasion, I asked a professional what to do. His answer was just to by ant bait gel that contains fipronil. I should apply some small dots of the gel at a few places around the plants and wait one or two weeks and all ants would be gone. I'm doing this once or sometimes twice a year if necessary and I have never had a problem since. For a mount I would not put the gel on the cork but around the place where it is hanging.
Thanks Arne but that one is under investigation and not available to the public until a decision is made The one I was able to get a few years ago contains Imidacloprid and it works very well. I used some outside to kill iris borers when the iris had finished flowering and there was nothing else in that bed.
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I don't know how I would manage without some sort of pesticide. I just finished doing the second of three dips for about 30 african violets and streptocarpus in a miticide to hopefully get rid of a cyclamen mite. If I couldn't get this miticide I'd have to throw them all out. However, I do not use any organophosphate which is too toxic to anything with a nervous system.