DELAWARE, Ohio (WCMH) – An invasive insect known for leaving unique patterns on the leaves of elm trees has been spreading this summer. In July, Ohio became the latest state to confirm a population of ...

Click to share on Facebook (Opens in new window) Click to share on X (Opens in new window) Click to email a link to a friend (Opens in new window) Click to share on LinkedIn (Opens in new window) ...

Question: My aspen trees have scale insects on the bark and some disease on the leaves that causes them to drop off early. What can I do? Answer: The insects are called oystershell scale (Lepidosaphes ...

RALEIGH, N.C. (WTVD) -- An invasive insect that's originally from East Asia has arrived in North Carolina, according to researchers at NC State. The elm zigzag sawfly, or Aproceros leucopoda, first ...

Welcome to our tree column, “Ask your local arborist.” Each month, arborists from the Davey Tree Expert Company in Menlo Park discuss a tree-related topic from general care and planting tips to how ...

MISSOURI, USA — Dead cicadas and cicada shells are starting to pile up around Missouri as this year's periodical emergence continues. The insects will climb out of the ground near the roots of trees, ...

Getting your Trinity Audio player ready... The winged insect is no bigger than a grain of rice, but it is threatening to destroy California citrus one tree at a time. Concentrated the last decade-plus ...