This guide book deals with more than 1000 species of Lepidoptera traditionally grouped together as geometers and classified in the Geometridae family (plus a single species from the Uraniidae): illustrations are displayed in the form of 158 colour plates showing 1116 species in 2800 photos.
Four new genera, seven species and 17 subspecies are described.
The precise descriptions of each species is given with details on their biology, and distribution maps.
200 line drawings clarify certain anatomical characters and illustrate genitalia of taxa difficult to distinguish.
Format: hardback, 13 x 20,5 cm.














