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Biocontrol introduction

Target pest: Pseudococcus calceolariae (Homoptera: Pseudococcidae) = Pseudococcus citrophilus, Pseudococcus fragilus, Pseudococcus gahani, Pseudococcus similans, citrophilus mealybug

Agent introduced: Coccophagus gurneyi (Hymenoptera: Aphelinidae)

Imported: 1928, 1929, 1933

Import source: 1928 and 1929 Australia, 1933 Australia via California, USA

Released: 1933-35

Release details: 1928 and 1929 consignments were not released. In 1933-35 about 27,000 parasitoids were liberated in Nelson and from Lower Hutt to the Bay of Islands

Establishment: Widespread throughout New Zealand

Impacts on target: Unknown but thought to have some impact.

References

Cameron PJ, Hill RL, Bain J and 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.