2019 - 2020 brown marmorated stink bug bmsb seasonal measures in response to the rapid expansion of brown marmorated stink bug bmsb throughout europe and north america the australian government has strengthened seasonal measures for the 2019-20 season to manage the risk of bmsb arriving in australia. target risk countries have increased from 10 in the 2018-19 risk season to 33 in the 2019-20 season. measures will apply to certain goods manufactured in or shipped from target risk countries and or vessels that berth at load or transhi from target risk countries. all roll-on roll-off ro-ro vessels will be subject to heightened vessel surveillance. all ro-ro vessels that berth at load or transhi in target risk countries from 1 september 2019 and that arrive in australian territory by 31 may 2020 inclusive will be required to - conduct self-inspections and respond to specific questions as part of the pre-arrival reporting requirements and - undergo a mandatory seasonal pest inspection on arrival in australia. due to the changing risk status of bmsb random onshore inspections on goods from emerging risk countries will be undertaken to verify pest absence. the measures will apply to goods loaded from 1 september 2019 and that arrive in australian territory by 31 may 2020 inclusive . these measures are required to effectively manage the biosecurity risk from bmsb and to achieve australias appropriate level of protection. the approved treatment options for bmsb risk are heat treatment methyl bromide fumigation and sulfuryl fluoride fumigation. further information on the seasonal measures including advice on target risk countries measures for vessels target high risk goods measures relating to goods exemptions treatment options and rates safeguarding arrangements and industry advice notices are published on www.agriculture.gov.au import before brown-marmorated-stink-bugs offshore-treatment-providers. a draft pest risk analysis report that identifies bmsb as a pest requiring risk management measures in order to achieve the appropriate level of protection for australia was released in august 2017 and is available at www.agriculture.gov.au biosecurity risk-analysis plant brown-marmorated-stink-bug