Galls form into different shapes and sizes and grow on different parts of the tree including leaves and stems. Galls do not typically cause physical damage to healthy trees that have been properly ...

Flat vector illustration Oak apple gall on green oak leaf and Cynips quercusfolii oak gall wasp isolated ... Caterpillar to butterfly development process cocoon transformation on tree, life cycle pupa ...

For example, aphids infesting a quaking aspen would not attack an oak tree. The most commonly found aphids in ... on serviceberry shrubs younger than three years old. Leaf curling and gall formation ...

Shape and symmetry help determine where a leaf lands — and if the tree it came from can recoup the leaf’s carbon as it decomposes.

There are more than 18 million acres of forests in New York State, with forests filled with countless maple, oak, pine, birch ...

Leaf-feeding insects are a part of life in the Peninsula's rich horticultural landscape. The region's mild Mediterranean ...

If you pay any attention to the world around you, you are likely aware of how deciduous trees shed leaves, pollen, seeds, fruits, and yet more pollen into the world around them. Nature ...

Texas A&M Forest Service offers assistance to help Texas landowners stop oak wilt spread through the Texas Oak Wilt Suppression Program.

The researchers observed abnormal cell growth, disorganized stomata, and severe changes to internal leaf layers—changes that reduce the tree's ability to breathe and photosynthesize effectively.

Anyone who has an oak tree in their garden is being warned over the possible risks it could pose to your house - and the legal trouble you could be in if you cut it down, too. Oak trees ...

Look for the emergence of chartreuse, red and yellowish leaves in oaks, maples, willows and ash trees, along with sprinkles of white blossoms from plum trees and other wild fruits. Here are some ...

BUT TAKE A LOOK AT THIS TREE. IT SURE CAME DOWN. THIS IS A BIG OLD OAK TREE. AND YOU CAN SEE HOW THICK THAT TRUNK IS. IF YOU LOOK OVER HERE AT THE HOUSE, SOME OF THE BRANCHES WENT THROUGH THE ...