During our long growing season, I get calls about caterpillars in trees and what to do about them. Caterpillars, the larvae of moths and butterflies, use tree leaves as a source of food. In turn, many ...

If you're like most well-intentioned gardeners, you might give a lot of thought to planting the "right" plants to nourish pollinators and other wildlife, with nectar, pollen, seeds and fruit. But have ...

Adjunct professor, John H. Daniels Faculty of Architecture, Landscape and Design, and the Graduate Department of Forestry, University of Toronto Chris MacQuarrie is a research scientist with Natural ...

Something is eating holes in my tomatoes. The holes are round and about 1/2 inch across. I’m also seeing holes in the leaves of my squash and tomatoes. What do you think is causing this damage, and ...

Citrus trees are a popular choice for home fruit production in southeast Louisiana. Although relatively carefree as backyard fruit trees go, various problems do occur. I thought it would be helpful to ...

The tree in my yard has webbing in some of the branches, and I think I see caterpillars. What should I do? — K.W. The webs you are describing are probably the webs of tent caterpillars. Tent ...

There will be some very confused moths this summer in some parts of Cook, DuPage, Kane, Kendall and other Illinois counties. And that’s good news for trees. The insects are spongy moths (Lymantria ...

The lime swallowtail butterfly — an invasive species that hails from Asia and which has damaged citrus trees throughout the Caribbean for nearly 20 years — has reached Florida. The butterfly is fairly ...

Syracuse, N.Y. -- A plague of gypsy moth caterpillars is munching its way across Upstate New York, turning verdant shade trees into brown skeletons, coating decks and picnic tables with feces, ...

Gypsy moth caterpillars are out in numbers not seen in over a decade. Sebastian Willnow/picture alliance via Getty Images Caterpillars from a species that has exploded in population in upstate New ...