Common Mestra (Mestra amymone) uses the Noseburn plant (tragia) as a host for caterpillars. This low-growing vine is known for causing a burning or stinging sensation of skin when brushed. It is covered with tiny hypodermic-like needles and hurts like the dickens when I accidentally walk through it. But now that I know it's a host plant, I won't be as aggressive in digging it out.
While the Mestra is called "common", it's a rare sighting for me. The Noseburn, however, isn't rare at all!