For whatever reason, my office has seen an explosion of homeowners bringing in branches covered in cottony maple scale. I believe 100% of the cases to be on either silver maple (Acer saccharinum) or ...

Pulvinaria scale is a broad term for any species of scale in, or formerly in, the genus Pulvinaria. This includes the cottony maple scale (formerly Pulvinaria innumerabilis, now Neopulvinaria ...