This short book is about conserving insects, the most diverse and abundant animals that share our world. In particular, it is about the common focus of conserving individual species of insects. This so-called ‘fine filter’ (or ‘fine grain’) level of conservation parallels much conservation effort for better-understood groups of animals such as mammals and birds, for which species-focused conservation exercises are commonplace. The need for insect conservation can appear puzzling, and how to undertake it can seem daunting to the many conservation practitioners unfamiliar with insects but to whom vertebrates or vascular plants are familiar – and, thus, that they can treat with greater confidence because of being within their.