Synonyms

• Ichneumon placidus Smith, 1876 [junior homonym]
  • Type locality: Canterbury Province, South Island, New Zealand
• Ichneumon pyrastis Cameron, 1901 (Original combination)
  • Type locality: Wellington, North Island, New Zealand

Primary references

• Berndt, L.; Berry, J.; Brockerhoff, E. 2006: Parasitoids and predators of the endemic defoliator Pseudocoremia suavis (Butler) (Lepidoptera: Geometridae: Ennominae). New Zealand entomologist, 29: 89–98.
• Cameron, P. 1901: On a collection of Hymenoptera made in the neighbourhood of Wellington by Mr G. V. Hudson, with descriptions of new genera and species. Transactions of the New Zealand Institute, 33: 104–120.

• Smith, F. 1876. Descriptions of new species of hymenopterous insects of New Zealand, collected by C. M. Wakefield, Esq., principally in the neighbourhood of Canterbury. Transactions of the Entomological Society of London [24(3)]: 473–487, plate IV. DOI: 10.1111/j.1365-2311.1876.tb01922.x BHL Reference page.