The colors and patterns of black swallowtails reveal the diversity of evolutionary dynamics acting on the sexes and the various life-history stages Six species of swallowtail butterflies occur locally ...

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 ...

We keep finding caterpillars in our garden. I wrote about a silkworm caterpillar we raised indoors until a winged Io moth emerged in July. In August, my wife, Kathy, found another caterpillar — aka ...

FILE - An Eastern Black Swallowtail caterpillar feeds on a fennel plant in Spring, Texas on Aug. 14, 2020. (AP Photo/David J. Phillip, File) If you’re like most well-intentioned gardeners, you might ...

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 ...

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 ...

Spring has arrived and so have multitudes of wiggly caterpillars. They are popping up everywhere and can be anything from welcomed precursor of a beautiful butterfly to a nuisance to a plant pest to a ...

Spring has arrived and so have multitudes of wiggly caterpillars. They are popping up everywhere and can be anything from a welcomed precursor of a beautiful butterfly to a nuisance to a plant pest to ...

During the summer, I love to sit out on the patio and watch butterflies in my garden. All day long, especially on these hot summer days, they bring color and movement to my garden from the smallest ...

Your parsley is playing host to the larval stage of one of our most beautiful and admired butterflies, the Eastern Black Swallowtail. The caterpillar can be recognized by its green bands alternating ...