Introduced species, native to Africa. It is a parasite of noctuid moths of the genus Chrysodeixis.
https://www.researchgate.net/publication/231991045_An_African_ichneumonid_Hymenoptera_in_Australasia
Ctenochares bicolorus is listed in the following regions:
Canberra & Southern Tablelands | Albury, Wodonga | South Coast | New South Wales North Coast