Target pest: Caliroa cerasi (Hymenoptera: Tenthredinidae), cherryslug, pear slug
Agent introduced: Rhinotorus congruens (Hymenoptera: Ichneumonidae) = Otlophorus congruens (Holmgren)
Import source: Austria, France, Germany
Release details: A small number were released in Auckland
Establishment: Establishment is unlikely
Cameron PJ, Hill RL, Bain J, Thomas WP (1989). A Review of Biological Control of Invertebrate Pests and Weeds in New Zealand 1874-1987. Technical Communication No 10. CAB International Institute of Biological Control. DSIR Entomology Division. 424p.