Evidence of established brown marmorated stink bug populations in British Columbia, Canada

Paul K. Abram, Tracy Hueppelsheuser, Susanna Acheampong, Peggy Clarke, Hume Douglas, Tara D. Gariepy


We report four new detections of invasive agricultural pest Halyomorpha halys (Stål) (Hempitera: Pentatomidae), the brown marmorated stink bug, in the Lower Mainland and Okanagan Valley regions of British Columbia (BC), Canada, in 2015 and 2016. These finds include two confirmed breeding populations, as well as homeowner collections at the same residence in two consecutive years. Preliminary comparisons of mitochondrial DNA haplotypes from these collections suggest that H. halys populations in BC are the result of movement and spread of existing populations in North America, likely from the Pacific Northwest USA.

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