Moth Makes Different Chemical Weapons for Different Predators

You should never bring a knife to gunfight, or try to beat a bird with ant repellant. That’s how the expression would go if a wood tiger moth coined it, anyway. Other animals are lucky if they have the resources to make just one poison. But this moth is the first species known to make two different chemical weapons that target different predators.

The moth, Arctia plantaginis, lives throughout the Northern Hemisphere. Its wings are bright and boldly patterned, a tactic that many anima

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