Climate Change Introduces New Dragonfly and Damselfly Species to New Brunswick
Climate change brings new species of dragonflies and damselflies to N.B.

Image: Cbc
Climate change is facilitating the arrival of new dragonfly and damselfly species in New Brunswick, particularly in the southwest. While these insects thrive in the warming climate, concerns arise over the potential decline of native species due to competition and habitat changes.
- 01New species of dragonflies and damselflies are increasingly recorded in southwestern New Brunswick due to climate change.
- 02The scarlet bluet damselfly was first identified in New Brunswick in 2016, expanding its global range significantly.
- 03Other newly observed species include the eastern amberwing, Martha's pennant, and widow skimmer, which are spreading northward.
- 04Native species like Canada whiteface and muskeg emerald may decline as newcomers compete for resources.
- 05Citizen scientists play a crucial role in documenting these new species through photography and targeted surveys.
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Climate change is leading to the emergence of new dragonfly and damselfly species in New Brunswick, particularly in the southwestern regions. Over the last two decades, researchers, including John Klymko from the Atlantic Canada Conservation Data Centre, have noted an increase in these insects, which are adapting to warmer winters and longer summers. The scarlet bluet, a damselfly first recorded in New Brunswick in 2016, exemplifies this trend, significantly expanding its range. Other species such as the eastern amberwing and widow skimmer are also being identified and are expected to spread further into Nova Scotia and Prince Edward Island. However, Klymko expresses concern for native species like the Canada whiteface and muskeg emerald, which may face decline due to competition for food and habitat changes. More research is needed to understand the impact of these newcomers on local ecosystems, particularly regarding food sources like mosquitoes. The contributions of citizen scientists have been vital in documenting these changes and aiding researchers in their surveys.
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The introduction of new dragonfly and damselfly species may disrupt local ecosystems and food webs, affecting native species and biodiversity in New Brunswick.
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