Thomas Marent / Cup Moth (Limacodidae) caterpillar, Magdalena Valley, Colombia

Thomas Marent / Monarch (Danaus plexippus) caterpillar on underside of leaf, Colombia

Thomas Marent / Variable Cracker (Hamadryas feronia) caterpillar in defensive posture, Colombia

Thomas Marent / Orange-spotted Tiger Clearwing (Mechanitis polymnia) caterpillars eating leaves, Colombia

Thomas Marent / Cup Moth (Limacodidae) caterpillar, Magdalena Valley, Colombia