Expert Problem Solver

Celery Worm

Celery Worm
Tap to view larger image
Bonide Solutions:
 
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.