Abstract
Although allopatric speciation among areas segregated by dispersal barriers increases the regional species richness, sympatry of closely related species following secondary contacts of allopatrically diverged species increases the local species richness and may also increase the regional species richness by the formation of assemblages with different species compositions. This chapter introduces the characteristics of local species assemblages of Ohomopterus. When two or more species of Ohomopterus co-occur in one area, the species assemblage is size-structured, which means that it is organized by more or less regular differences in body size among species. Throughout the geographic range of Ohomopterus along latitudes, longitudes and altitudes, a certain range of body sizes is occupied by different species, which are categorized into small, medium and large size classes. Thus, body size diversification is key for species richness in Ohomopterus.
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Sota, T. (2022). Species Assemblages . In: Evolutionary Biology of Carabus Ground Beetles. Entomology Monographs. Springer, Singapore. https://doi.org/10.1007/978-981-16-6699-5_4
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DOI: https://doi.org/10.1007/978-981-16-6699-5_4
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