Old cigar box or zesty lemon: the sweet scent of butterfly romance

A new book discusses the different perfumes of the planet's species and why smell is crucial in matingDid you know the marbled white is distinctly musky, the wall brown smells like chocolate cream and the meadow brown is scented of old cigar box?The startling fact that butterflies' smell was revealed by the ecological geneticist EB Ford in the first of the famous (and still going) New Naturalist series, a surprise bestseller after the second world war. Continue reading...