Brown Marmorated Stink Bug (BMSB) 2025–2026 Season Update

It’s almost that time of year again — BMSB season is fast approaching.

Season Dates

The 2025–2026 BMSB seasonal measures will apply to:

Target high-risk goods that are manufactured in, or shipped from, target risk countries, and are shipped between 1 September and 30 April (inclusive).
Vessels that berth, load, or tranship from target risk countries during this period.

You can view the full list of target high-risk goods and target risk countries via the Department of Agriculture’s website:
🔗 BMSB Seasonal Measures – Target Goods & Countries

Here’s a summary of the key updates for the 2025–2026 season:

Republic of Korea and Japan have been added to the emerging risk countries list.
Airfreight shipments of target high-risk goods from the United States and China will be subject to random inspections.
A new offshore BMSB treatment option has been introduced: Ethyl Formate.
A revised application process is now in place for the BMSB in-transit and rolled cargo policy.

If you have any questions or need clarification, please don’t hesitate to contact our experienced Customs team:

📧 Maia – customs@transitainerwa.com.au
📧 Mary – marys@transitainerwa.com.au