Last week I had a picture of a dark form of the eastern tiger swallowtail with my column. The obvious question about any species with more than one color form is: What is the advantage? The advantage ...

The swallowtail butterfly family contains up to 700 species in the world, most of them tropical. More than two dozen are found in North America with seven found regularly in Texas. Swallowtail ...

On a wooded hillside along the banks of the Allegheny River, Gabrielle Marsden brushed up against an oblong leaf: Asimina triloba—the American pawpaw. The deciduous tree bears North America's largest ...

About 170 butterfly species occur in North Carolina as permanent residents, regular visitors, or rare strays. Some of these are restricted to either the coastal or mountain regions. I'd estimate that ...

We have a large patch of bronze fennel growing out back — this is unfortunate because it can be an aggressive invasive plant and is currently attempting to overrun my blueberry patch, but, on the ...

We know about migrating species of butterflies, but they don't all fly south for the winter. Several overwinter in their home habitat and could use your help.

Add Yahoo as a preferred source to see more of our stories on Google. A black swallowtail butterfly lands on a plant in a garden. - Darrell Gulin/Getty Images If you want a garden filled with ...

In 2012, there were only about four Schaus swallowtail butterflies left in their natural habitat of Southeast Florida and the Florida Keys. Through conservation efforts, captive breeding and rearing ...

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 ...

Michigan is one of the only states in the country without an official state insect, but that could soon change. The black swallowtail butterfly, scientifically known as the papilio polyxenes, would be ...

Since it's the middle of the summer, and since kids are possibly looking for something fun to do on a rainy day (something we've had plenty of this year), I thought that I would write a column for ...

I was excited to have Monarch caterpillars, even though they were chomping away on my fennel, but then this gorgeous number emerged from the chrysalis! Seems to be a black swallowtail. I’m a little ...