Flight season: mid-May to early September.
Population: common, found at shaded still water habitats with plenty of emergent plants and vegetated shorelines.
Length: about 20 mm to 25 mm, a small gracile damselfy.
The interrupted shoulder stripes and lack of blue (males) on S8 and S9 distinguish this species from the Eastern Forktail.
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Tweed, Ontario, the Moira River near the walking bridge and dam:
rock-bottomed river with fast flowing water, rapids and emergent rocks, but also quiet pools and backwaters.
The shoreline vegetation is mostly trees with a few small clearings supporting tall grasses and wildflowers.
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Male Fragile Forktail (Ischnura posita)
August 21, 2009
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Female Fragile Forktail (Ischnura posita) –
fully mature females develop a bluish-gray bloom on their bodies
but the broken shoulder stripes are still visible (July 15, 2010).
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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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Immature female Fragile Forktail (Ischnura posita)
August 10, 2010
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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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Immature female Fragile Forktail (Ischnura posita)
August 12, 2013
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East of Tweed, Ontario, near the intersection of Lajoie Rd. and the trans-Canada Trail:
a shady wooded area, with clearings both natural and created by the trail supporting grasses and wildflowers, the lagoon lies nearby to the northwest.
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Male Fragile Forktail (Ischnura posita)
June 06, 2014
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