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Biocontrol introduction

Target pest: Conium maculatum (Apiales: Apiaceae), hemlock

Agent introduced: Agonopterix alstromeriana (Lepidoptera: Oecophoridae), hemlock moth

Import notes:

Harman et al. (1996) - accidental introduction.


Harman et al. (1996) - first recorded in New Zealand in 1986.


Landcare Research (2014c) - common.

Impacts on target:

Harman et al. (1996) - has severely defoliated areas of hemlock at several sites in Central Otago.

Landcare Research (2014c) - often causes severe damage.


Harman HM, Syrett P, Hill RL, Jessep CT. (1996). Arthropod introductions for biological control of weeds in New Zealand, 1929 - 1995. New Zealand Entomologist, 19(1): 71-80

Landcare Research (2014c). Who's who in biocontrol of weeds? What's new in biological control of weeds? 69: 10-11 http://www.landcareresearch.co.nz/publications/newsletters/biological-control-of-weeds/issue-69