Cicada season may be over, but another pest emerges right after. Here's how to prevent possible bites and rashes from oak ...

A rare look at the earliest stage of a pin oak tree shows how an acorn develops roots and leaves. Learn how one seedling was ...

The other gall I found, which was on a different tree, was an oak leaf pocket gall. This gall is produced by a one-eight-inch-long fly, or midge, called Macrodiplesis quercusoroca.

All tree leaves have an outer layer called the epidermis, which can also be used in the identification process. This leaf "skin" always has a waxy cover called the cuticle and varies in thickness.

Every species of tree has unique characteristics, from its bark to its leaves, that you can use as clues to identify ...

It’s that time of year: the days are getting shorter, the air has a biting chill to it, and the leaves are turning a reddish-brown before they drop from the trees.

ATHENS, Ga. — Just as summer settles in and outdoor activities ramp up, a new and potentially harmful pest is emerging underfoot. The Asian needle ant is raising health concerns due to its ...

Asian needle ants, an invasive species with venomous stings, are spreading across the U.S., posing health risks and threatening native ecosystems.

A “sneaky” invasive species with a poison sting capable of sending some people to the hospital continues to spread across the United States, experts warn. Asian needle ants were first detected ...

“They like big oak trees, leaf litter and dead logs lying on the ground like the firewood piles near your house or any tree bark,” Suiter said. “The ants also congregate under rocks, stones ...

A “sneaky” invasive species with a poison sting capable of sending some people to the hospital continues to spread across the United States, experts warn. Asian needle ants were first detected ...

The Brachyponera chinensis, or Asian needle ant, is only 3/16 of an inch long, but its bite can cause anaphylactic shock, which can be deadly.