Distribution of H. castoris Brunke and Smetana, Hemiquedius ferox (Casey), and H. infinitus Brunke and Smetana. White markers indicate state only records (placed at the centre of each state) in the absence of more detailed data.

  Part of: Brunke A, Smetana A, Carruthers-Lay D, Buffam J (2017) Revision of Hemiquedius Casey (Staphylinidae, Staphylininae) and a review of beetles dependent on beavers and muskrats in North America. ZooKeys 702: 27-43. https://doi.org/10.3897/zookeys.702.19936