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flat-headed brown mayfly - Isonychia

flat-headed brown mayfly - Isonychia
Ailsa Craig, Middlesex, Ontario, Canada
September 9, 2005
Size: body about 10 mm
came to garage light; one of the last mayflies of the year

Thanks, Lloyd
Moved from Mayflies to Isonychia page.

Probably an Iso
This appears to be a late season female Isonychia imago. The later-emerging Isonychia tend to be smaller, and the orange body color is only somewhat unusual.

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