Al & Juddy enjoyed having Stephen Goldson from AgResearch in the studio as their second guest.

Stephen shares his intrepid journey on controlling the Argentine stem weevil population by retrieving parasitoids from South America and bringing them to New Zealand.

Tune in for a first hand account of ecology in action. 

 "In terms of Conservation Biocontrol, we cannot use examples of this approach from abroad. What we can do is import biocontrol control agents that have evolved in association with stem weevil through evolutionary time, which is what the importation biocontrol is all about." – Stephen Goldson 

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