Pieris rapae

cabbage worm cab"bage worm`, cabbageworm cab"bage*worm` . (Zo["o]l.), the larva of several species of moths and butterflies, which attacks cabbages. The most common is the toxic green larva of a white butterfly, the {cabbage butterfly}, ({Pieris rap[ae]}). The cabbage cutworms, which eat off the stalks of young plants during the night, are the larv[ae] of several species of moths, of the genus {Agrotis}. See {Cutworm}. larva of a cabbage butterfly. [WordNet 1.5]