Swallowtail larva. Photo by Dan Hemenway. Just as monarchs famously prefer milkweed for food and egg-laying, swallowtail butterflies also have a preferred food as caterpillars. They prefer the leaves ...

“Where oh where is dear little Susie? Way down yonder in the Pawpaw Patch.” If you grew up in the eastern United States, you may have heard this folksong around the campfire. Once called “America’s ...

Know your elephant hawk moth from your painted lady butterfly. Discover more about the world of butterflies, moths and their caterpillars, and what you can do to give them a helping hand. Who's ...