Mecyclothorax argutor group species, dorsal habitus view. A M. planipennis (ESE Kuiki, 2145 m) B M. planatus (Honomanu, 1700 m) C M. argutuloides (Kīpahulu, 2100 m) D M. cordithorax (Polipoli, 1890 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