Flight season: early May to late August.
Population: common, mostly encountered at marshes.
Often found foraging in field a good distance from water.
Length: about 40 mm to 45 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 Four-spotted Skimmer (Libellula quadrimaculata) –
females are similar to the males
(May 31, 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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Teneral male Four-spotted Skimmer (Libellula quadrimaculata) –
at this time of year hundreds of dragonflies can be seen emerging every day.
Needless to say the teneral was handled with great care
(May 22, 2011).
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Tweed, Ontario:
a small park in a business and residential area.
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Four-spotted Skimmer (Libellula quadrimaculata) –
lateral aspect of an immature male
(May 13, 2015).
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East of Tweed, Ontario, near the intersection of Alexander Street and the trans-Canada Trail:
disturbed field supporting tall grasses and wildflowers, bordered by shrubs and trees with a sand and rock-bottomed creek to the east.
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Female Four-spotted Skimmer (Libellula quadrimaculata praenubila) –
an uncommon form with barred wingtips that, at first glance, might be mistaken for a
Painted Skimmer (Libellula semifasciata)
(June 10, 2011).
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West of Eldorado, near Brownson Road:
a mixture of agricultural areas (meadows and pastures), woodlands and wetlands.
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Male Four-spotted Skimmer (Libellula quadrimaculata praenubila)
Photo by T. Mapes (June 13, 2014)
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