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Family Isonychiidae - Brushlegged Mayflies

flat-headed brown mayfly - Isonychia Stream Mayfly - Isonychia big mayfly - Isonychia Big Mayfly! Isonychia? - Isonychia Brushlegged Mayfly; further comment? - Isonychia bicolor Mayfly - Isonychia obscura Mayfly Imago - Isonychia - male Brushlegged Mayfly - Isonychia obscura
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Ephemeroptera (Mayflies)
Family Isonychiidae (Brushlegged Mayflies)
Other Common Names
Slate Drakes
Numbers
17 species in 1 genus in North America listed at nearctica.com
Range
Common and widespread across North America.