Q • My oak trees have more large galls than I’ve ever seen on them, and I’m worried about their health. What can I do about ...

Learn about the wasps that have a gruesome but fascinating way of surviving.

The galls are filled with fibers and small seed-like capsules, which is why they are also known as oak seed galls. Each of these “seeds” contains a single wasp larva.

Galls form when certain wasps, including species like Kokkocynips decidua and Kokkocynips rileyi, lay their eggs in oak tissues. These growths become shelters where wasp larvae develop.

When most people think of scientists discovering a new species, they think of long treks and exotic jungles, not a suburban ...

After many kilometres, the chain on my bike comes off next to a majestic oak. The tree becomes Quercus: a friend, a confidant ...

Eucalyptus gall wasps, particularly the invasive Leptocybe invasa, present a serious threat to forestry and ecosystem health worldwide. These wasps induce the formation of specialised galls on ...

The chestnut gall wasp, Dryocosmus kuriphilus, represents a significant threat to chestnut production worldwide due to its capacity to induce extensive gall formation that compromises tree health ...

And not long thereafter, a handful of these toadflax plants were collected from English gardens and toted across the Atlantic ...

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

"I used to have a whole set of these, with Fijian currency on them. It's for tourists, so they have some hope of not getting ...

Nearly invisible to the naked eye at just 0.2 millimeters long, oak leaf itch mites commonly feed on larvae of oak gall midge flies that live on pin oak leaves.