Flight season: mid-June to late August.
Population: uncommon.
Length: about 35 mm, the smallest clubtail in this area.
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Vanderwater Conservation Area:
Moira River, rock-bottomed with fast flowing water, rapids and emergent rocks, but also quiet pools and backwaters.
The shoreline vegetation consists of wooded areas and clearings supporting tall grasses and wildflowers.
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Male Eastern Least Clubtail (Stylogomphus albistylus) –
note the ringed appearance of the abdomen and the pale claspers
(August 08, 2014).
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Tweed, Ontario, the Moira River shoreline between the bridges at Bridge St. (near the dam) and Louisa Street:
rock-bottomed river with fast flowing water, rapids and emergent rocks, but also a few quiet pools and backwaters.
The shoreline consists of flat, barren rocky areas,
further back from the shore the vegetation is tall grasses, wildflowers and trees.
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Images of a female Eastern Least Clubtail (Stylogomphus albistylus) –
the female's terminalia are also pale.
(August 01, 2014).
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Teneral female Eastern Least Clubtail (Stylogomphus albistylus)
June 11, 2016
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Madoc Township, the Moira River near the intersection of Deloro Road and Gawley Road:
rock-bottomed river, shallow and narrow with a moderate current and plenty of emergent rocks, some trees along the shoreline, much of the surrounding terrain is generally open agricultural land.
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Male Eastern Least Clubtail (Stylogomphus albistylus) –
two males were present, a male and female in tandem were observed two days later
(June 26, 2016).
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