Flight season: mid-June to early September.
Population: common and widespread.
Found at still water sites such as marshes, ponds,
slow flowing stretches of the Moira and Clare Rivers, and the marshy north shore of Stoco Lake.
Prefers the same habitats as, and often seen flying with, Twelve-spotted and Widow Skimmers.
Tenerals and immatures often encountered in fields a fair distance from water.
Length: about 45 mm to 50 mm.
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Tweed, Ontario, the north shore Stoco Lake, east of the boat pier:
marshy shoreline, relatively shallow water with mud bottom supporting sedges and rushes, pondweeds, Fragrant Water Lily, Blue Flag, Sagittaria spp and Pickerelweed.
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Male Slaty Skimmer (Libellula incesta)
July 29, 2010
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Tweed, Ontario, an unused lot near the Louisa St. bridge over the Moira River:
rock-bottomed river with fast flowing water, rapids and emergent rocks. An untended lot along the shoreline supports tall grasses, wildflowers and some trees.
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Teneral male Slaty Skimmer (Libellula incesta) –
the contrasting dark brown, cream and yellow patterning is
quite different from the tenebrific color scheme of the adults
(June 16, 2011).
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East of Tweed, Ontario, along Lakeview Lane, near the trans-Canada Trail and Alexander Street:
roadside clearing in shrubbery and woodland supporting tall grasses and wildflowers, a short distance from the Moira River.
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Immature male Slaty Skimmer (Libellula incesta) –
beginning to develop the slate blue pruinosity
characteristic of adult males and females (June 30, 2011).
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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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Teneral female Slaty Skimmer (Libellula incesta)
June 15, 2014
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Female Slaty Skimmer (Libellula incesta) –
the wings of some individuals are dark at the tips
(August 08, 2014).
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