The author provides a practical natural-history guide to the butterflies and moths of Teneriffe, opening with an accessible introduction to lepidopteran morphology, life stages, and collecting techniques for novices. The main body catalogues and illustrates the island's species—describing some twenty-nine butterfly taxa and roughly forty moths observed by the author—plus additional lists and life-history observations based on personal rearing and field notes. Plates from the author's drawings accompany species accounts, and appendices compare fauna across the Canary Islands and supply collecting advice and references.