Picture?

FataMorgana

Spittle bugs. Pretty common. Just spray them off with a hose. They're not a serious problem. Just gross.

Spittlebug froth isn't sticky, at least in my opinion. Nearly everyone would describe it as 'spit', even when looking for a description. Maybe we can get a 'refined' description from our original poster.

But as has been suggested, a picture would be very helpful.

There is a garlic spray you can use. Also plant garlic cloves (Just a couple) about 6inches away from the plant. That should keep them away.