I managed to find a very strange insect

When I was cleaning my plants, suddenly I managed to find a very strange insect, I found this insect on a branch of a plant, it looked quite strange, when I first found this insect I thought it was just cotton stuck on a tree branch but when I approached it I saw something strange about the insect, to answer my curiosity, I tried to touch this insect and I was so surprised when this insect moved which indicated that it was a living creature.

I also tried to take a picture of this insect, not long after that an aphid also came to this strange insect, the arrival of this aphid made me even more confused, is this an insect? or is this an egg from the leaf aphid?, ahhh this makes me very confused

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