<italic>Holcaspis abdita</italic> and <italic>H. bidentella</italic> (Coleoptera: Carabidae) at Simons Pass Conservation Area and Pukaki River Tekapo River Confluence Dryland Recovery Conservation Area, Mackenzie Basin, Canterbury, New Zealand.

The presence of the nationally critical ground beetles, <italic>Holcaspis abdita</italic> and <italic>H. bidentella</italic> on the Simons Pass and Pukaki River Tekapo River Confluence Dryland Recovery Conservation Areas was confirmed and the habitat described. Pitfall trap surveys collected 63 specimens from most sites within the conservation areas, but predominantly on the Pukaki Flats where the habitat was degraded, indigenous herb field. [ABSTRACT FROM AUTHOR]