Celery Worm

Bonide Solutions

Captain JacksĀ®


Celery worm is the large larva of the black swallowtail butterfly, it is an occasional feeder on carrot foliage, and other crops. Generally not a major problem, the 2-inch, dark green caterpillar has a black e band on each segment and a pair of orange horns that can be seen behind its neck when disturbed.