ZooKeys 536: The Genus Pterostichus in China II: The Subgenus Circinatus Sciaky, a Species Revision and Phylogeny (Carabidae, Pterostichini)

About this book

Species diversity of Chinese carabid genus Pterostichus was poorly investigated and greatly underestimated before. Circinatus, one of the subgenera in Pterostichus, was once believed well studied, with 11 previously known species, but up to now, we have discovered 11 more species and one subspecies. In this monograph, detailed description and illustration for each taxon of Circinatus are provided, and species relationships are discussed with phylogenetic methods. Endophallic characters are emphasized in species distinguishing and systematics analysizing for this subgenus. High-resolution endophallic illustrations for most known species are provided. The monograph also gives a useful key to aid species determination. More species are expected to be discovered in the near future, considering rich species diversity of Chinese Pterostichus.

Contents

Introduction   2
Material and methods   3
Subgenus Circinatus Sciaky, 1996   4
Key to species of the subgenus Circinatus   6
New taxa descriptions   9
Supplemental notes on previously described species   36
Species removed from Circinatus   54
Infra-subgeneric taxonomy   57
Phylogenetic analysis of Circinatus   64
Plates   70
Acknowledgements   88
References   88
Appendix   90

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