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Stephen Luk | profile | all galleries >> Arthropods of Ontario >> Class Insecta - Insects >> Order Ephemeroptera - Mayflies tree view | thumbnails | slideshow

Order Ephemeroptera - Mayflies

"Ephemeral wing" is a fitting description of the adults' short lifespan, which is no more than a few hours to a few days. The mayfly life cycle includes entirely aquatic nymphs, a milky-winged emergent subimago, and reproductively mature imago.
Family Baetidae - Small Minnow Mayflies
Family Baetidae - Small Minnow Mayflies 		Family Caenidae - Small Squaregill Mayflies
Family Caenidae - Small Squaregill Mayflies 		Family Ephemerellidae - Spiny Crawlers
Family Ephemerellidae - Spiny Crawlers 		Family Ephemeridae - Burrowing Mayflies
Family Ephemeridae - Burrowing Mayflies
Family Heptageniidae - Flatheaded Mayflies
Family Heptageniidae - Flatheaded Mayflies 		Family Isonychiidae - Brushlegged Mayflies
Family Isonychiidae - Brushlegged Mayflies 		Family Leptophlebiidae - Pronggilled Mayflies
Family Leptophlebiidae - Pronggilled Mayflies

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