Flight season: late June to late September.
Population: less commonly seen than other Aeshna species.
Found near ponds, marshes lakes and rivers.
The individuals encountered to date were foraging over clearings created by trails.
Length: about 75 mm to 80 mm, a large darner.
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Tweed, Ontario, about ½ km west of town, a marsh bordering the trans-Canada Trail:
typical local marsh with Cattails, sedges and other emergent vegetation, various small willows, alders, dogwoods and some Tamarack.
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Male Lake Darner (Aeshna eremita) –
the anterior thoracic stripe is deeply notched, the second stripe is relatively broad compared to other Aeshna spp.
The face bears a distinct cross-stripe and as a rule the spots on the dorsal surface of S10 are fused.
The male's cerci are upturned at their ends and have prominent bumps along the upper surfaces
(September 15, 2014).
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Tweed, Ontario:
residential and business area.
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Views of the cerci of a male Lake Darner (Aeshna eremita)
September 26, 2015
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Tweed, Ontario, the Moira River, east of town near Collin's Point:
rock-bottomed river with fast flowing water, rapids and emergent rocks,
the shoreline vegetation consists of wooded areas and clearings supporting tall grasses and wildflowers.
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Aspects of a female Lake Darner (Aeshna eremita) –
the colors and patterning are similar to the male, occasionally green forms occur.
The female's terminal appendages are rounded
(September 19, 2014).
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