Karpasruuti said:
You can get rid off them with acetamiprid. I don't know USA products but in the EU you can find it very easily from many shops. It's white stick that contaits the insecticide and put underground. Very effectice to some small bugs. Bayer and Substral sell it in the EU countries.
I think this it but could not find text does it contain acetamiprid.
https://www.amazon.com/Advanced-701710-Control-Fertilizer-10-Spikes/dp/B00192CNG2/ref=sr_1_9?dchild=1&keywords=bayer+pest+control+stick&qid=1593667020&s=lawn-garden&sr=1-9
Edit. It should work on too scale insects, greenhouse whiteflies, mealybugs, locust, thrips and my favor is fungus gnats. They can't eat anymore plant roots or leaves. Not sure if it work for spider mites but I would think they don't like the plant if its toxic.
PLEASE don't use that sort of systemic neonicotinoid! Sure, the stuff works wonders, permeating the tissue and killing anything that chomps on your plant. Unfortunately it also kills pollinators, leaf-cutting bees, and damn near everything else that comes in contact with the plant, flower, or pollen. The pesticide is very stable and will persist inside the plant for many weeks, even months. Bees are particularly sensitive to this class of pesticide. Just a few billionths of a gram will permanently fry their little bee brains.
If you must spray the aphids, use a Pyrethrin based spray or 'bug bomb' fogger. Pyrethrins are just as deadly as other insecticides, but break down after a few days, so you don't wind up nuking the local food chain. I like the foggers a lot. If you snip the locking tab off the trigger mechanism, you can make it emit brief blasts of fine mist. Hold beneath the plant and blow upward, onto the underside of the leaves.
My 'tree hugger' approach to aphids is to try and hold out long enough for the parasitic wasps to show up. These tiny black monsters inject an egg into the aphid, with 'Alien' like results. A single wasp can inject hundreds of aphids. Look for brown cocoons of doomed aphids among the living. In my area I usually have one or two weeks of "Oh, shit, the bastards are going to eat everything!" Then the wasps show and it's one week of "Hurry up!" After that, the aphids are quickly knocked back to the point of near irrelevance. I still find a few here and there, but the wasps are always on hand as well, doing their evil work! Of course, you may not have a population of wasps in the area...
https://www.youtube.com/watch?v=YuG39V82J7I