Very small black spots

[brankinho]

Yesterday i was triyng to clean some small white bugs that i found in one of my plants when i discovered a bunch of very little black spots underneath the leves, the leves are dying very fast!!!

So now i have two problems and i dont know how to solve any.

Can anyone help me???

[Ganja Guerrilla]

look real closely......are the tiny spots moving?

spidermites?