Wikipedia
Olisthaerinae
The Olisthaerinae are a subfamily of the Staphylinidae. They are similar to the Phloeocharinae. Their habitat is under the bark of dead conifers. Their biology is poorly known. The tarsal formula is 5-5-5. In North America, two species, Olisthaerus megacephalus (Zetterstedt) and O. substriatus (Gyllenhal) are known,from Alaska across Canada to New York.