Fall armyworm update, 17 January, 2025

Growers are reminded to report any grass weeds that appear unfamiliar or could resemble black-grass (Alopecurus myosuroides). Early reporting remains one of our strongest tools for protecting the industry.

Find out regional information on Fall armyworm as of April 4 2025.

Seed and Grain Readiness and Response Incorporated (“SGRR”) is a biosecurity entity for the arable sector. It was established in 2020 under the Government Industry Agreement for Biosecurity (GIA). It is currently collecting levies to cover the costs of the two biosecurity incursions, black grass and fall armyworm. 

Check out the latest fall armyworm update here. 

Current status: FAW populations continue to develop across New Zealand. Northland awaits the third main moth flight of the season, with the key time for scouting and decision-making approaching. Maize grain and sweetcorn growers should be particularly vigilant during this period.

Fall armyworm numbers continue to rise as the season progresses, with the top half of Northland in particular beginning to see levels that would require chemical intervention. Read more in this week's update.

Fall armyworm has been found at one property, in a sweetcorn crop near Nelson. Further finds have been confirmed in several locations across Northland. Contact your local agronomist for advice as local knowledge is key to effective management.

Fall armyworm finds have been confirmed in several locations across Northland, find out more in this fall armyworm update. 

Fall armyworm updates are back for the 2024/25 season. Read it here. 

The latest update of fall armyworm finds and response in New Zealand in the 2023/24 season.