When one species is genetically similar to another species, their populations can often be mistaken for one and the same. This is exactly what has happened with Papilio solstitius, a tiger swallowtail ...

Question: There is some type of caterpillar eating all the leaves of my Catalpa tree. What is the recommended course of action? Answer: At this time of year, there are several large, varied-color ...

This guide to green caterpillars helps you easily identify the green caterpillar you've found in your yard or garden. While it's nearly impossible to include every green caterpillar species out there, ...

Caterpillars and butterflies have been a part of classrooms since the very beginning of a child’s schooling. At an early age, almost every kid knows that a caterpillar will eat leaves, cocoon itself, ...

Hardwood trees such as birch, maple or oak are in danger because of a little bug—the spongy moth—native to parts in Europe, but has been in the U.S. for over 100 years. The spongy moth is making its ...

The Sacramento Mountains checkerspot butterfly is critically endangered, with the last known larva living in a lab in New ...