Why do monarchs and other butterflies have metallic markings?
At the Chicago Botanic Garden’s Butterflies & Blooms exhibition, I receive a wide variety of questions about butterfly physiology. My favorite questions are ones that don’t have a substantiated answer, only theories posited by lepidopterists (or those who study butterflies and moths). I always enjoy these questions, since they are on the cutting edge of scientific … Continue reading Why do monarchs and other butterflies have metallic markings?