Third of five parts. Read part two here. Swallowtail caterpillars are a lot like other caterpillars. They eat leaves, grow and metamorphose into a butterfly or moth, but they have a few odd ...

The black swallowtail is the State Butterfly of Oklahoma. It’s a beautiful butterfly with a striking caterpillar. It is found throughout the state and is common in our flower and vegetable gardens ...

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 ...

A larva of swallowtail butterfly Papilio xuthus in its “bird dropping” form (top). A larva of swallowtail butterfly Papilio xuthus changes its body pattern at the 4th molt. The juvenile larva ...

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 ...

Two weekends ago, I stumbled upon the most intriguing caterpillar I've ever seen — that of the Eastern Tiger Swallowtail butterfly. I briefly mistook the emerald green caterpillar for a leaf, but only ...

A tiger swallowtail (<i>Papilio glaucus</i>) caterpillar feeds on black cherry (<i>Prunus serotina</i>), which was the only plant consumed by this species at the research field site. Disclaimer: AAAS ...

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 ...