Posts Tagged: tree

Invasive Shothole Borers – An Ongoing Threat to California’s Trees

Two identical looking species of wood-boring beetles, collectively known as invasive shothole borers (ISHB), have killed thousands of trees in Southern California and pose an ongoing threat to California's urban and wildland forests. These beetles, which...

Holiday Tree Pests

If you're planning to get a holiday tree for your home, you may find unexpected guests have already made their home in your evergreen selection. Common holiday trees such as firs, pines, and spruces can host pests such as aphids, scales, mites, bark...

Landscaping Tips for November

With the recent time change along with a change in temperatures, landscaping practices for pests need some adjusting too. We're sharing a few recommended tasks to help prevent insect pests, diseases, and environmental disorders in landscapes. Looking for...

Invasive Spotlight: Shot Hole Borers

Small beetles are causing big problems in Southern California. Two closely related species, the polyphagous shot hole borer and the Kuroshio shot hole borer (collectively referred to as invasive shot hole borers), have been attacking more than 60...

Invasive Spotlight: Eastern gray squirrels and Eastern fox squirrels

While some may find them cute, both the Eastern gray squirrel (Sciurus carolinensis) and the Eastern fox squirrel (S. nigeri) are actually invasive species in California. They are two of four species of tree squirrels found throughout the state....

Read more