Family Staphylinidae.
These beetles carry a defensive secretion (pederin) that can cause serious dermatitis ('whiplash' dermatitis) in humans - see http://www.health.nsw.gov.au/environment/factsheets/Pages/rove-beetles.aspx .
Paederus sp. (genus) is listed in the following regions:
Canberra & Southern Tablelands | South Coast
Maps
Aranda Bushland Ben Boyd National Park Block 402 Boro City Renewal Authority Area Denman Prospect 2 Estate Deferred Area (Block 12) Dunlop Grasslands Four Winds Glebe Park Isaacs Ridge and Nearby Keverstone National Park Molonglo Gorge Mount Ainslie Mount Majura Mount Painter Namadgi National Park Piney Ridge Sullivans Creek, Lyneham South Tidbinbilla Nature ReservePlaces
Aranda, ACT Bungendore, NSW Charleys Forest, NSW Cotter River, ACT Edrom, NSW Murrumbateman, NSW Uriarra Village, ACT