Two of three caterpillars that were defoliating my mom’s penta plants yesterday. I think they will become swallowtail butterflies. The green ones will be predominately black and the brown one will be yellow (I think). Today the brown one has disappeared. One of the green ones is still feeding voraciously and the second one is just hanging there. Go to Bob Moul’s site and click on the blurb near the top of the page to “See a Black Swallowtail Caterpillar Morphing into a Butterfly.