ITHACA, N.Y. – Figs and fig wasps have evolved to help each other out: Fig wasps lay their eggs inside the fruit where the wasp larvae can safely develop, and in return, the wasps pollinate the figs.

Q: We have a sour cherry tree, and we use the fruit for preserves, pies, eating out of hand and even to make beer. It is getting too tall to reach the fruit. How do we prune the tree to reduce its ...

How do you find an insect the size of your fingertip in a densely-packed forest? For Jian Duan, the answer is simple: follow the dead ash trees. On a rainy day in eastern Connecticut, Duan, a federal ...

Jogger Keau Meyer misses the shade trees, "A few years ago we had a lot more shade throughout the park. I started noticing leaves were dying and all of a sudden trees getting cut down." Billions of ...

Research Entomologist Jian Duan cuts away bark from ash trees in search of emerald ash borers, an invasive species that has been killing off the trees. They're looking particularly for those affected ...

Vermont Department of Forests, Parks and Recreation is releasing parasitoid wasps that prey on emerald ash borer larvae. The wasps are native to parts of Russia and eastern China, where they appear to ...

On an early summer day in 2016, entomologist Jian Duan arrived at a nondescript office building in north Houston to deliver some bad news—and some good. Texas forestry officials had notified Duan a ...

Wasps are some of the more dangerous stinging insects because they can sting repeatedly, potentially leading to a severe ...

The banyan fig tree Ficus microcarpa is famous for its aerial roots, which sprout from branches and eventually reach the soil. The tree also has a unique relationship with a wasp that has coevolved ...