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Giant Bumblebee Vanishes: Invasive Rivals Blamed
10 Aug
Summary
- Giant bumblebee, Bombus dahlbomii, is native to Patagonia.
- Invasive European bees are outcompeting the native species.
- Pathogens and diseases carried by invasive bees are devastating populations.
The magnificent Bombus dahlbomii, a giant ginger bumblebee native to Patagonia and affectionately called the flying mouse, is experiencing a drastic population decline.
This decline is primarily attributed to the introduction of two invasive European bumblebee species, Bombus ruderatus and Bombus terrestris, since the 1980s. These non-native bees were brought to Chile for commercial agricultural pollination.
Since their introduction, the invasive species have rapidly spread, not only outcompeting Bombus dahlbomii for resources but also introducing novel pathogens and diseases. This has led to a significant decimation of the native giant bumblebee populations.
The invasive bees also contribute to the spread of non-native plants like broom. Researchers describe the Bombus dahlbomii as the 'pandas of the insect world,' highlighting its importance as a mascot for biodiversity conservation. The current situation underscores a concerning trend of invasive species impacting native ecosystems.
