cover image: Spongy moth


Spongy moth

17 May 2024

The European subspecies was introduced to North America in 1869 and while populations of spongy moth are found each year in BC, they have not become permanently established in our ecosystems. [...] DISTRIBUTION European spongy moth is not established in BC but is found widespread in the Eastern United States and Canada, including the provinces of Ontario, Quebec, New Brunswick, Nova Scotia, and Prince Edward Island. [...] Spongy moth male Spongy moth female Eggs are laid on a flat surface, such as a tree trunk or the side of a building, in a beige “spongy” mass measuring 3-8 cm in diameter. [...] Economic: Due to their ability to damage trees in large numbers, spongy moth could significantly impact the forestry and nursery industries in BC. [...] When spongy moth is detected in BC, the BC Plant Protection Advisory Council (BCPPAC) spongy moth technical advisory committee evaluates and provides recommendations on how to follow up with the new incursions.
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