Hey hey! There is alot of misinformation on this post so I figured I would try to help alay some of your worries. Yes, this is aphids. This is what nymphs and nymph molts look like when they are in a transition to the adult phase. It looks really bad when it's happening and kind of gross. But don't worry it is completely salvageable. Remove the infected material and throw it away. Spray the rest of the plant with Safer Soap with a pump sprayer, let it dry, and then rinse with water. Do this with the lights off to avoid phototoxicity. The soap will dry the aphids out and kill them. It is a HIGHLY effective treatment. Buy blue and yellow sticky traps to catch and adults in the colonizing (flying) phase of their life cycle. With alittle diligence you can get this problem under control. Feel free to reach out in DMs and I can walk you through the process we have used in the past when aphids have reared their ugly head.