Think of a monarch butterfly, and a distinctive image pops up: black-and-orange wings, with a sprinkling of white spots around the black edges. Those white spots may actually help monarchs complete ...

The female spicebush swallowtail butterfly was fluttering down, landing for a moment or two on a leaf on my sassafras tree and moving on to do the same thing on other leaves over and over again. It ...

If it feels like there are fewer bugs now than there were decades ago, it’s not just nostalgia. Scientists estimate that, due to factors such as pesticide use, habitat loss, and climate change, as ...

Black swallowtail caterpillars eat plants like fennel, parsley and dill, absorbing toxins for protection from predators. When threatened, the caterpillar uses a forked tongue-like gland called ...

There are nearly 20,000 butterfly species divided into six families. They are spread across every continent except for Antarctica. Among those 20,000 species, there are many unique butterflies. There ...

California monarchs are in trouble and federal officials have demurred when it comes to providing help. A new survey of the Western population of the orange, black and white butterflies shows that the ...