This new edition of the Catalogue of Palaearctic Coleoptera gives a taxonomic overview of the most diverse group of all organisms living in the world-largest biogeographical area. The present volume is an updated edition of the first issue in 2003 but restricted to data published before the year 2000. It contains information about 33,914 taxa (together with synonyms), and increases the number of included species and other taxa by almost 5,000. In addition, thousands of species have their distributional data completed, and their ranks, systematic positions and nomenclature corrected. Almost...