The cecropia (Hyalophora cecropia) is North America’s largest moth, similar in size to a giant swallowtail butterfly. It’s one of several species of giant silk moths in the Northeast; this family includes the ethereal-looking luna moth, which has long, pale-green wings.
The cecropia (Hyalophora cecropia) is North America’s largest moth, similar in size to a giant swallowtail butterfly.
