Mecyclothorax robustus group species, dorsal habitus view. A M. aeneipennis (Polipoli, 1775 m) B M. affinis (West Wailuanui, 1950 m) C M. cognatus (Ukulele Camp Pipeline, 1510 m).

 
 
  Part of: Liebherr JK (2015) The Mecyclothorax beetles (Coleoptera, Carabidae, Moriomorphini) of Haleakala-, Maui: Keystone of a hyperdiverse Hawaiian radiation. ZooKeys 544: 1-407. https://doi.org/10.3897/zookeys.544.6074