White fuzzy insect on my hosta?

Hi all, I'm having a hosta problem. Soon after I got my hosta, I noticed small black bugs which I thought to be ants in the plantbox and sometimes on the hosta plant I have. I ignored them for awhile, and then discovered one morning their was a spherical, fuzzy, white/orange ball (about the size of a large... show more Hi all,

I'm having a hosta problem. Soon after I got my hosta, I noticed small black bugs which I thought to be ants in the plantbox and sometimes on the hosta plant I have. I ignored them for awhile, and then discovered one morning their was a spherical, fuzzy, white/orange ball (about the size of a large marble?) which had completely encircled two of the hosta leaf stems (the leaf stem were dying). We cut off both leaves with the fuzzy ball, thinking maybe it was some type of fungus. Ever since then, I've noticed that in addition to my little black "ants" (Which I'm thinking may not be ants?) there are these little white fuzzy insects which like to hang out at the base of the hosta in between the leaf stems and on the underside of the leaves. I've been scraping them off whenver I see them, but my hosta is still suffering somewhat. What are these things??

PS--I live in a 2nd floor apartment, so my hosta is not exposed to anything on ground level, unless it came with the hosta...
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