Answer: The little green ones are probably aphids. These are soft bodied sucking insects that tend to attack the softest growing tips. They can be washed off with a spray of water from the garden hose or can be sprayed with insecticidal soap according to the label instructions. Ladybugs will also control them effectively.
I am not sure what the other pests would be, based on your description. On container plants it is sometimes possible to simply handpick the pests and use no pesticide at all. This might be the best approach until you can identify it and then determine the best way to control it. When treating for pests, always identify the pest and the plant and then read the label for cautions and correct use.
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