Ingo Arndt / Giant silkworm moth caterpillar close up of spines {Lonomonia cyniva} Carabobo, Venezuela

Ingo Arndt / Silkmoth caterpillar with eye spots to mimic snake {Oxytenis beprea} Guanacaste, Costa Rica

Ingo Arndt / Silkmoth caterpillar with eye spots to mimic snake {Oxytenis modestia} Guanacaste, Costa Rica, Central America

Norbert Wu / Io Moth (Automeris io) a member of the Giant Silkworm Moth family, eyespots may serve to scare away predators, Florida

Robert Thompson / Silkworm (Saturnia pyretorum) early instar caterpillar on stem, Taiwan.

Ingo Arndt / Close-up of wing detail of Japanese oak silkmoth (Antheraea yamamai) Captive

Ingo Arndt / Giant silkworm moth caterpillar with defence spines {Lonomia cyniva} Carabobo, Venezuela

Ingo Arndt / Silkmoth caterpillar with eye spots to mimic snake {Oxytenis beprea} Guanacaste, Costa Rica, Central America

Ingo Arndt / Silkmoth caterpillar with eye spots to mimic snake {Oxytenis beprea} Guanacaste, Costa Rica, Central America

Ingo Arndt / Silkmoth caterpillar with eye spots to mimic snake {Oxytenis modestia} Guanacaste, Costa Rica

Ingo Arndt / Silkmoth caterpillar with eye spots to mimic snake {Oxytenis modestia} Guanacaste, Costa Rica, Central America

Ingo Arndt / Silkmoth caterpillar with eye spots to mimic snake {Oxytenis modestia} Guanacaste, Costa Rica