Skuld alerts that the risk season for Brown Marmorated Stink Bug (BMSB) begins 1 September 2019 until 30 April 2020; In this timeframe, vessels sailing to Australia and New Zealand have to ensure that their crew is informed and familiar with the BMSB seasonal management measures.
[Brown Marmorated Stink Bugs, or Halyomorpha halys are a serious pest for agriculture and horticulture and can be a social nuisance. Like the Asian Gypsy Moth, the BMSB is considered a hitchhiker pest that can spread...
https://safety4sea.com/new-zealand-alerts-on-the-beginning-of-stink-bug-season/