Revision of the New Zealand species of the Genus Pselaphogenius Reitter (Staphylinidae: Pselaphinae: Pselaphitae: Pselaphini).

Species within the genus Pselaphogenius Reitter occurring in New Zealand are revised. Twenty-three species are known from the region and can be divided into two distinct species groups. Fifteen new species are described: Pselaphogenius calantica Owens and Carlton, sp.

Revision of the New Zealand species of the Genus Pselaphaulax Reitter (Staphylinidae: Pselaphinae: Pselaphitae: Pselaphini).

In New Zealand, the genus Pselaphaulax Reitter is represented by thirteen species. Six new species are described: Pselaphaulax hornabrooki Owens and Carlton, sp. nov.

Two New Species of Bibloplectus Reitter (Coleoptera: Staphylinidae: Pselaphinae) from the Orlando Park Collection, Field Museum of Natural History.

Two new species of Bibloplectus Reitter, 1881 are described from the Orlando Park Collection of Pselaphinae at the FMNH (Field Museum of Natural History, Chicago, IL, USA): Bibloplectus silvestris Owens and Carlton, new species (type locality, Urbana, IL, USA) and Bibloplectus wingi Owens and Carlton, new species (type locality, Shades State Park, IN, USA). Types of these new species were part of a series of specimens bearing unpublished Park manuscript names in both the pinned and slide collection at the FMNH. They bring the total number of species in the genus in eastern North America to twenty-three.

Seven new species of Reitter (Coleoptera: Staphylinidae: Pselaphinae) from Eastern United States with notes on distributions of previously described species.

Seven new species in the genus Bibloplectus Reitter, 1881 are described: Bibloplectus ellisi Owens and Carlton, new species; Bibloplectus levis Owens and Carlton, new species; Bibloplectus parki Owens and Carlton, new species; Bibloplectus quadratum Owens and Carlton, new species; Bibloplectus suteri Owens and Carlton, new species; Bibloplectus steevesi Owens and Carlton, new species; and Bibloplectus tishechkini Owens and Carlton, new species. New species are integrated into the previously published key, supported by illustrations of diagnostic characters, and a revised key and checklist to eastern North American species is presented. All new species described in this study were obtained from, and are deposited in, collections of the Field Museum of Natural History (FMNH).