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Caught by a participant during our weekly Bio-Blitz program. A nice, old female showing the uniquely shaped thoracic markings. Her spout-shaped ovipositor is also distinctive.
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This species gets its name from the males distinctly ski-shaped cerci (claspers), especially when viewed laterally. This is my first encounter with this species, seen right in our own front yard, fifteen years ago this month (July 2015). Admittedly, the front yard on a farm can be large and habitats also productive :) Image is a scan from slide, photo taken on July 14th, 2000.
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examined with hand lens with Bryan Pfeiffer
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examined with hand lens with Bryan Pfeiffer
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Ski-tailed Emerald. Male in hand. Top view of claspers.
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Ski-tailed Emerald. Male in hand. Top view of claspers.
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Ski-tailed Emerald. Male in hand. Top view of claspers.
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Male. Posed.
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Male. Posed.
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Male. Posed.
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Female. Genitalia.
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Not 100% positive. Taken in Algonquin Park in mid-August. Abdomen looks too short for Ocellated. I think it is a Ski-tipped, but will await more expert eyes.
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