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Scale Insects and Wasps

14 years ago

I noticed a problem recently on my hibiscus shrubs that I think I may have figured out. I believe I have a pretty bad scale infestation which is leading to sooty mold. I've found plenty of research to help me battle the scale and mold, but the bigger problem is the wasps that are now present. I would guess there are more than 200 wasps, along with a large number of ants and other flying insects busily working around the plants. I've read about parasitic wasps, but the majority of the insects appear to be paper wasps, hornets, mud daubers, etc. There are no large nests around my house so I'm not sure how I can get the wasps to move on. Should I try to wait this out to see if the wasps leave? Has anyone seen this before?

Here is a link that might be useful:

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