Mulberry Alexa Leopard

Arctiids are unpalatable to predators because either they have inborn noxious chemicals or obtain noxious chemicals through the plants they eat. The acquired chemicals are pyrrolizidine alkaloids (PAs) from principally the snakeroots and ragworts or cardenolids or cardiac glycosides found in milkweeds and dogbanes, which affect the hearts of vertebrates. Unexpected cycnias, though, are dietary […]