Black swallow-wort - an invasive weed - is taking over gardens across Greater Boston, including Jamaica Plain and East Boston ...

Six species of swallowtail butterflies occur locally, and they combine yellow, black, orange, blue and red in several diverse patterns that invariably catch the eye.

As butterfly populations decline, Ashland photographer David Myers encourages everyday nature lovers to document species.

From tiny caterpillars to full grown adults, we observe the Black Swallowtail butterfly. Watch as black swallowtails grow from tiny caterpillars to full grown adults. Compared to other butterfly ...

Darkness and light: four butterflies with ultra-black wings. (Courtesy: Richard Stickney/Museum of Life and Science) Many male butterflies have exceptionally black wings with optical properties that ...

Some butterflies have ultra-black wings that rival the blackest materials made by humans, using wing scales that are only a fraction as thick. Using scanning electron microscopy and computer ...

Photo by Jeff Mitton. Six species of swallowtail butterflies occur locally, and they combine yellow, black, orange. blue and red in several diverse patterns that invariably catch the eye. We can ...