Pisces,
CO2 is right but not everyone has a cylinder at home. But you are RIGHT, I never tot of that, what dumb dumb I am.
Check for ants. I have notice ants feeding from mealy bugs secretions. Here have a read
http://en.wikipedia.org/wiki/Mealybug Some people call them ant cows.
The diazinon mentioned in the article is dangerous. So before considering chemical options, have a read here
https://archive.petpitcher.net/resource-a...est_repellent/