The Canada Darner is a large blue-and-green darner with distinctive paired blue spots on each abdominal segment and a characteristic lateral thorax stripe pattern used in identification. It is one of the most abundant darners in eastern Canada and the northeastern US. Adults migrate southward in fall, sometimes in spectacular flights along ridges and coastlines.
Best time to see a Canada Darner
The best time to see a Canada Darner is July–August, when about 65% of U.S. sightings happen, based on 1,734 research-grade iNaturalist observations.
Not certain it is a Canada Darner? What bug is this? walks through what to check first and the lookalikes that catch people out.
Recent Canada Darner sightings near you
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