Any extra input on what these are?

[MollyMan1]

For a few weeks now I notice every time I do a water change I discover these yellow bugs/critters crawling on the glass right above the water line, I don't every really see them unless I am doing a water change. I have been noticing over the weeks that it seems as if there has definitely been more and more of these bugs but not to a crazy extent (btw I am talking about a 20 gallon tank fyi). These bugs will crawl on the glass but then if they reach the waster they just float there or hop/jump on the water until they reach the glass, (if I try to squish them they kind of bounce away from my finger). I have already had input from @Colin_T who said "
probably just a type of aphid
nothing to worry about" and I trust him well since I know he is one of the best if not the best on these forums. I am in general though a very nervous/anxious person so I tend to worry even if this is a small thing. So I was wondering if anyone had any extra input on this for more comfort. The biggest thing I worry about in general is these bugs getting out of the fish tank since I have seen one on the frame part of the tank while I doing a water change and they already are on the glass above the water. If anyone knows these are aphids then is there anything I could maybe spray or do to kill all of these things or If they aren't (I trust @Colin_T but you never know) what are they and how could I get rid of them. Thank you .

Sorry the quality isn't the best this is the best I could do:

 

[GaryE]

If it is an aphid or another tiny insect, you are a very lucky person indeed . The only grounds for anxiety would be if you leave the lid off, and fish jumping for a fantastic treat miss and hit the floor, or if you try to to kill them and accidentally poison any fish who eat them.
Little, harmless creatures appear around tanks if they find them, and they are a gift from nature to your fish.