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 ...

Q. I was wondering what you can tell me about cottony maple scale. I have it on my silver maple tree. I am finding out that there is a large outbreak in northern Illinois this year. Many people are ...

Michigan State University entomologist Dave Smitley predicted in May an outbreak of cottony maple scale in Midland, Saginaw and other localities that have mosquito spray programs. Mosquito spray ...

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 ...

Q: Every June for several years now, our two Norway maples have a soft, sticky white "critter" that looks like a wrinkled snow flake and milky stick substance. This lasts a couple of weeks. This year ...

Cottony scale insects are feeding on this maple branch. (Brian Kunkel, Bugwood.org) Q: I have a maple tree that's lost all of its leaves the past two summers. When I looked at the bare branches this ...

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 ...

A contractor hired by the Niles Department of Public Works is currently spraying parkway trees in an effort to prevent Cottony Maple Scale and the Honeylocust Plant bug infestations. Every spring, the ...

Q. I have a slimy green plant in the gravel of my driveway. It is spreading. What is it? — Beverly in Shandakan A. It is liverwort. It is estimated that there are 10,000 species of liverworts. Some of ...

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 ...