For folks who live in Florida, Southern Texas, and below Tuscon, Arizona, your pipevine plants may be visited by two different swallowtail butterflies. This can cause a problem because most plants that Pipevine Swallowtail caterpillars can safely eat will kill Polydamas Swallowtail caterpillars and vice versa.
Now it’s a bit easier for you. Click here to visit our page that shows the difference in egg, larva, chrysalis, and adult forms of these two species.
Butterfly Fun Facts 