"O. richmondia" has never received an official IUCN classification (Collins & Morris, 1985), however Sands & Scott (1997) regarded it to satisfy the "vulnerable" category because of habitat loss across its former range. Currently, it is considered not of concern in New South Wales and low risk (least concern) in Queensland (Sands & New, 2002). This species was previously more abundant than it is now, especially in Queensland, with Illidge (1927) noting the species to be common in Brisbane in the early 1900s.