Volume 7 of this series covers the first half of the Curculionoidea.
The aim of Catalogue of Palaearctic Coleoptera is to provide a tool that addresses the most urgent needs: 1) a list of available names, both valid and invalid, of taxa occurring in the Palaearctic Region, in their verified original orthography and with the correct publication dates, 2) a complete list of verified references to primary descriptions, and 3) informative distributions of the species and subspecies. Thus, the catalogue is expected to respond to questions related to biodiversity, and to increase the badly needed nomenclatorial stability.