Family Gryllidae.
Rentz & Su in 'A guide to crickets of Australia' (CSIRO, 2019) call this the 'Southern longtail' cricket. It is widely distributed in southern and eastern Australia, but may actually comprise several distinct but similar-looking species.
Eurepa marginipennis is listed in the following regions:
Canberra & Southern Tablelands | Southern Highlands | Albury, Wodonga | South Coast | New South Wales North Coast
Places
Upper Pappinbarra, NSW