In between beach days and backyard barbecues, the end of summer is a good time to examine your trees for signs of hazardous invasive insects. The USDA has named August as Tree Check Month to encourage ...

Are you seeing tiny holes, oozing sap, and thinning crowns on your beautiful weeping willow trees and mighty maples? Don't be too quick to pin it on old age. They could be signs of a much bigger ...

Angela Mech, assistant professor of Entomology at University of Maine, has been leading the research for the i-Tree pest predictor. Mech specializes in invasive forest insects. University of Maine ...

Add Yahoo as a preferred source to see more of our stories on Google. Closeup of a hand holding a green leaf with aphid infestation. - Tomasz Klejdysz/Getty Images Common tree pests fall into three ...

Common tree pests fall into three main categories: defoliators such as tent caterpillars that eat leaves, borers like emerald ash borer that attack the wood of the tree, and sap suckers like scale ...