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 ...

Residents in Mount Prospect have been wondering about a sticky black soot-like substance coating their outdoor surfaces. Turns out, it's actually secretions from a bug. The stick residue has been ...

Maple trees in urban environments show signs of stress due to the urban heat island effect. Impervious surfaces like pavement retain heat and disrupt water absorption, stressing trees and making them ...