Wendy Williams is an enthusiast, and enthusiasm is infectious. Lepidoptery is for her a new fascination, and it shows. On the plus side, her excitement shimmers as freshly as a newly-hatched Adonis Blue. She marvels, and makes us marvel, at the miracles she discovers.

She wonders at the strangeness of a butterfly’s proboscis, which is not, as it appears, a drinking straw (even butterflies cannot suck through a straw longer than their own bodies), but works by capillary action, blotting up fluids and sending saliva down to dissolve sticky or solid secretions.