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  • Fal Armyworm Update 10 January 2025

Fall armyworm update, 10 January, 2025

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Second generation FAW larvae are emerging in Northland with further populations identified in Waikato, Tasman and the West Coast. Contact your local agronomist for support, local knowledge is key to effective management.

Adult moths and larvae at various of development have been found between Hokitika to Hari Hari on the West Coast.

In Northland, moths from the first generation have been caught over the last two weeks and early instar larvae of the new second generation are now being found in the Far North.

December saw one late-instar FAW population confirmed north of Hamilton. It is likely that similar small populations exist in the Auckland and Waikato areas.

Additionally, a number of small populations of FAW larvae have been found across the Tasman region. These larvae, now at late instar stages, were discovered in both maize and sweetcorn crops. These finds came a month earlier than last year, indicating warmer late winter and spring conditions, speeding up the lifecycle. While current larval populations remain well below economic thresholds, it is critical for growers to actively scout their crops and monitor for any signs of FAW presence.

Read full report here.

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