Tobacco Hornworm (Manduca sexta), the caterpillar of the Six-spotted Sphinx Moth, from Iowa. The straight white stripes distinguish it from its similar cousin, the Tomato Hornworm, which has V-shaped white markings.
Monarch butterfly caterpillar (Danaus plexippus) feeding on tropical milkweed in Monteverde, Costa Rica.
Owlet moth caterpillar (Noctuidae: Noctuinae: Phosphila sp.) from Monteverde, Costa Rica.