This fairly new genus holds some Western species that used to be in Nixe and were in Heptagenia before that. They are mentioned in books by those generic names. Ecdyonurus simpliciodes is especially important.Hatching BehaviorThese species hatch in or near the surface in calm water. Emergence is quite fast, but the duns may drift a while.Spinner Behavior
» Genus Ecdyonurus (Western Ginger Quills)
1 species isn't included.
Time Of Day: DuskThe female spinners oviposit by flying over the water and dropping down to the surface to release some eggs, then taking off to do it again. They eventually fall spent (Spent: The wing position of many aquatic insects when they fall on the water after mating. The wings of both sides lay flat on the water. The word may be used to describe insects with their wings in that position, as well as the position itself.).
Pictures of 1 Mayfly Specimen in the Genus Ecdyonurus:
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