Any idea what is happening to my plant? I see black brown spots on the plant, I am suspecting mold or some kind of insect but didnt see any insects on the plant. A few days ago there were some white web shaped stuff on the leaves, all of the leaves. Similar to spider web but not spider web. I sprayed insecticide 4 days ago and haven’t seen any more since then. But these black spots appeared on the leaves. Help :)