In their climate-controlled environment , the Schaus swallowtail caterpillars munch voraciously on wild lime . Researchers are caring for caterpillars of endangered species . The Florida swallowtail butterfly has declined in numbers . It occurs only in a small area within South Florida , mostly on small islands . University of Florida entomologist is caring for caterpillars .
Researchers are caring for caterpillars of endangered species . The Florida swallowtail butterfly has declined in numbers . It occurs only in a small area within South Florida , mostly on small islands . University of Florida entomologist is caring for caterpillars .