The PSA outbreak changed the trajectory of Aotearoa New Zealand’s kiwifruit industry and revealed just how tightly our “three bios” are linked. In this episode, we revisit one of the country’s most significant biological events to unpack how biosecurity, biodiversity, and bioprotection collide in real time.

Using PSA as our lens, we trace the story from the first signs of incursion through to industry-wide impact, rapid scientific response, community collaboration, and the innovations that helped growers rebuild. Along the way, the team also touches on recent hornet scares and what they reveal about how quickly biological threats can escalate.

This episode shows that the three bios are not policy terms, but interconnected systems that shape the health of our landscapes, the resilience of our industries, and the futures of the communities that depend on them.

Revisiting PSA is not just looking back at a crisis. It is understanding a blueprint for how Aotearoa New Zealand can learn, adapt, and strengthen resilience as new threats emerge.

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