This group of geometrid moths (in the genera Eupithecia, Chloroclystis, Pasiphila and Gymnoscelis) comprises perhaps the most difficult of the macrolepidoptera to identify with confidence, and knowledge of them is consequently uneven. In this long-awaited, new and extensively illustrated work, the authors describe the characters and biology of all stages of the 52 species from Britain and Ireland, with individual maps showing their known distribution on a vice-county basis. Particular emphasis is placed on the identification of confusible species and work individuals. The wing-patterns are...

A comprehensive and user-friendly photographic identification guide to all of the species, sexes and forms of British and Irish dragon- and damselflies, with essential field notes and habitat photographs to aid finding each species.