Template:Donovan et al., 2003
- Donovan, B.J., Havron, A., Leathwick, D.M. & Ishay, J.S. 2003. Release of Sphecophaga orientalis Donovan (Hymenoptera: Ichneumonidae: Cryptinae) in New Zealand as a possible 'new association' biocontrol agent for the adventive social wasps Vespula germanica (F.) and Vespula vulgaris (L.) (Hymenoptera: Vespidae: Vespinae). New Zealand Entomologist 25(1): 17–25. DOI: 10.1080/00779962.2002.9722090