Imported Cabbage Worm-
They present as white butterflies that have few black spots on their front wings with black to gray on their wing tips. Back wings have a single spot at the front edge of each wing. Typical worms travel without the looping motion. Larvae are dark green colored caterpillars with a length up to 2 inches long. Their attack resembles that of the cabbage looper. Related species include the great southern white cabbage worm. This is a chewing insect.