cabbage worm

Any of several species of Pieris (family Pieridae) butterflies:

A cabbage looper (Trichoplusia ni, family Noctuidae), of much of the northern hemisphere.

A cabbage webworm (Hellula undalis, family Crambidae) native to southern Europe or Asia that also injures cabbages and other vegetables in the Gulf states of the United States.

A diamondback moth (Plutella xylostella, syn. Plutella maculipennis, family Plutellidae).