A palm tree on the La Jolla Recreation Center grounds is slated for removal after the city of San Diego confirmed it has been infested with the South American palm weevil. The palm weevil — a type of ...

The majestic palm tree is part of San Diego’s iconography — symbolizing Southern California and the beach, the feel of a tropical paradise. Most of San Diego’s palm trees are classified as Canary ...

A study has identified genes involved in development of stone cells -- rigid cells that can block a nibbling insect from eating budding branches of the Sitka spruce evergreen tree. The insect's attack ...