Maps 17-20 from: Brunke A, Marshall S (2011) Contributions to the faunistics and bionomics of Staphylinidae (Coleoptera) in northeastern North America: discoveries made through study of the University of Guelph Insect Collection, Ontario, Canada. ZooKeys 75: 29-68. https://doi.org/10.3897/zookeys.75.767

Maps 17-20 - Distribution in northeastern North America, sources of data other than DEBU are quoted in parentheses. 17 Sunius melanocephalus Fabricius (Campbell and Davies 1991, Hoebeke 1991, Byers et al. 2000) 18 Acylophorus agilis Smetana (Smetana 1971, 1978) 19 Bisnius cephalicus (Casey) (Smetana 1995, Paquin and Dupérré 2001) 20 Bisnius siegwaldii (Mannerheim) (Smetana 1995, Paquin and Dupérré 2001).