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

In heavily affected areas, up to 30% of beech trees are killed within seven years of contracting beech leaf disease.

Galls are abnormal growths and can be caused by a variety of different organisms, including insects and mites, and ...

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.

Doug Tallamy, the entomologist who co-founded the Homegrown National Park movement to restore natural habitats one yard at a time, has a soft spot for a nearly 25-year old white oak he grew from a ...

Oak galls, those small fuzzy yellow or brown balls on oak leaves and branches, may signify the health of your tree, Texas A&M AgriLife says.

Oak gall ink is pretty simple to make. Soaking crushed galls yields a brown-colored liquid that can itself be used as ink, but for a nice dark black ink that stains the paper more permanently, you’ll ...

Once the itch mites invade a gall-infected oak tree, more than 16,000 mites can emerge from the galls on a single leaf.

The first oak leaf itch mite-related rashes on humans after a periodical cicada brood emergence was in 2007 in the Chicago area, the last time Brood XIII emerged, according an Illinois Department ...

Are they harmful? Those are insect galls that result when the female insect stings the leaves of the tree and lays her eggs. The plant tissue forms around the developing larvae.

Jumping oak galls are caused by a very tiny, native, stingless wasp (Neuroterus sp.) which lays eggs in leaf buds. As the leaf develops, pinhead-sized galls, also referred to as abnormal plant ...

Oak blister gall and oak-apple gall are common on oak leaves. However, oaks can also develop stem galls, such as oak bullet gall, which in high numbers may reduce plant growth.