- Young larvae skeletonize the leaf causing a lacelike appearance
- Mid-sized larvae consume all foliage except for midveins on one branch before moving to another
- Mature larvae consume all foliage, including the midvein excluding the petiole
- Larvae up to 2 inches long, yellow stripes running lengthwise on gray to rust red body with long hairs
- More information on Walnut caterpillar...