Yellownecked caterpillar
Datana minnistra

• Young larvae feed in groups and skeletonize leaves by eating the leaf tissue and leaving the veins.
• As larvae mature, they become solitary feeders and eventually eat the entire leaf.
• Larvae are active from late July through early September.
• They have black heads with striped body covered with fine white hairs and a bright yellow spot behind the head.
• More information on Yellownecked caterpillar