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Seasonal Measures for Brown Marmorated Stink Bug (BMSB)

Updated: Sep 5

The Department of Agriculture, Fisheries and Forestry (DAFF) has released updated seasonal biosecurity measures for the management of Brown Marmorated Stink Bug (BMSB) risks during the 2025–2026 risk season. These measures apply to specific goods and vessels arriving in Australia between September 1, 2025, and April 30, 2026.


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BMSB Fumigation Measures for #Australia


Seasonal Measures:

Specific goods manufactured in or shipped from identified high-risk countries during this period will be subject to BMSB seasonal measures. These requirements also apply to vessels berthing, loading, or transhipping from these countries within the risk window.

  • Key Date: The shipped-on-board date on the Ocean Bill of Lading determines whether BMSB measures apply, not the “gate-in” or export clearance date.


Mandatory Fumigation and Fees:

To prevent BMSB infestation, mandatory treatment will be required for all high-risk cargo shipped via sea freight. These treatments must be conducted offshore by approved providers. Additional treatment methods, including ethyl formate, have been approved for the 2025–26 season.

High-risk goods include items under the following HS codes:

  • 44 to 45: Wood, cork, and related products

  • 57: Textile floor coverings

  • 68 to 70: Stone, plaster, cement, asbestos, ceramic, and glass products

  • 72 to 75: Metal goods (iron, steel, copper, nickel)

  • 76 to 80: Aluminum, lead, zinc, and tin articles

  • 81 to 89: Miscellaneous metal goods, machinery, vehicles, aircraft, ships, and related equipment


Additional Updates for 2025–2026:

  • Emerging Risk Countries: Vessels and goods from the Republic of Korea and Japan will now be subject to heightened surveillance.

  • Airfreight from the USA and China: Target high-risk air cargo will be subject to random inspections instead of automatic treatment.

  • Revised procedures apply for containers in transit and rolled cargo.

  • Safeguarding Arrangement applicants must submit updated Biosecurity Mitigation and Contingency Plans for approval.


Note: These measures are implemented to protect Australia's agriculture and environment from the serious threat posed by invasive BMSB pests.


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