JD actually likes the ants on the citrus trees. They lead him to the pests, so he knows where to spray, but I'm not a fan of ants on fig trees, even though I know scale can be a pest on figs. I noticed a ton of ants on my Paradiso yesterday, so I'm going down there with my cinnamon shaker today.
We get mealy bugs on the citrus, and a blast of water gets most of them. I don't think they attack figs, but all these suggestions are good!
Suzi