Scientists discover how a group of caterpillars became poisonous

Scientists discover how a group of caterpillars became poisonous

Scientists discover how a group of caterpillars became poisonous

The Atala butterfly (Eumaeus atala) and its five closest relatives in the genus Eumaeus like to display their toxicity. This sextet’s toxicity comes from what they eat as caterpillars: plants called cycads that have been around since before dinosaurs roamed the Earth and contain a potent liver toxin called cycasin.
Scientists discover how a group of caterpillars became poisonous