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Increases in international trade combined with the undeniable effects of global warming have led, and continue to lead, to significant changes in species composition on the planet. Comprehensive species checklists represent valuable tools to assess biodiversity patterns and monitor distributional changes over time. Here we report the distribution for all 8238 species-group taxa of Coleoptera known to occur in Canada and Alaska. From west to east, the number of species-group taxa are 1448 (Alaska), 1041 (Yukon Territory), 1115 (Northern Territory), 123 (Nunavut), 3932 (British Columbia), 2863 (Alberta), 2353 (Saskatchewan), 2679 (Manitoba), 4513 (Ontario), 4127 (Quebec), 2704 (New Brunswick), 2286 (Nova Scotia), 899 (Prince Edward Island), 501 (Labrador) and 1099 (Newfoundland). We document the presence of 393 Holarctic and 629 established adventive species-group taxa. The five most diverse families in the region are Staphylinidae (1682 species), Carabidae (989 species), Curculionidae (823 species), Chrysomelidae (598 species) and Elateridae (386 species). The valid scientific name, including author names and year of publication, is given for each species-group taxon. The classification follows current knowledge about the relationships of beetles down to the rank of subfamily. Tribes, subtribes, genera, subgenera and species-group taxa are listed alphabetically. References to pertinent identification keys are given under the corresponding supraspecific taxa. The first edition of the Checklist of beetles of Canada and Alaska was published in 1991. Based on our results, we have added over 800 species to the fauna of the region over the last 20 years, 20% of which are adventive species.

The present volume of the series „Biodiversity of Bulgaria” completes the information of the volumes 2 and 3 dealing with the Rhodopes Mountains (Bulgaria and Greece). The volume contains 20 articles by overall 32 authors comprising data for 3136 species. The Western Rhodopean fauna is treated in 18 articles on the following taxa: Rotifera, Helminthes, Nematoda, Tardigrada, Crustacea, Araneae, Acari, Myriapoda, Diplura, Collembola, Odonata, Dermaptera, Orthoptera, Blattodea, Mantodea, Isoptera, Plecoptera, Phthiraptera, Siphonaptera, Aphidodea, Formicidae, Phoridae, Scarabaeoidea, Pselaphinae, Buprestidae, Lepidoptera и Chiroptera. The volume ends with a reviewing article on the West Rhodopean cave fauna. The conservationally important areas, endemic, relict, and endangered species have been outlined for some of the treatened taxa.

Ground beetles (Carabidae, including tiger beetles, paussid beetles and bombardier beetles) are one of the most diverse insect families in Europe. They occur in apparently all terrestrial habitats and represent a major part of the invertebrate predator guild of the soil fauna, e.g. in forests, maquis and agrocoenoses. Due to their abundance and ubiquitous occurrence, the overall ecological role of carabid beetles in these ecosystems can safely be assumed. Moreover, ground beetles are one of the most frequently used indicator groups for ecological surveillance, biodiversity research and studies on environmental change. Also pest control in agriculture and forests is possible using Carabid beetles. The Greek fauna of ground beetles is very rich because of a great variety of different habitats, a very high number of islands and many mountains. According to the present knowledge nearly 1000 species in 138 genera live in Greece. A proportion of 23% of these species is endemic. This book, written by a team of specialists from eight European countries, provides a determination key to all genera and species keys to almost all species, a complete checklist as well as colour photos of representatives of 96 genera. An introduction to the biogeography and habitat types of Greece as well as ecological data of the carabid species complete the content of this volume. It is the first comprehensive book on Carabidae not only for Greece but for all regions of the Balkan Peninsula, and will be an indispensable tool for anybody interested in ground beetles in connection with taxonomic, faunistic, ecological, and biogeographical aspects of this region.