Large Slate-Winged Mahogany Duns
This common name refers to only one species.
Mayfly Species Paraleptophlebia bicornuta
These are sometimes called Large Slate-Winged Mahogany Duns.
This important Western species is one of the only mayflies outside the Ephemeridae family to possess large tusks on the front of its head. It is also the largest species of Paraleptophlebia, and probably the most important in the West.
The bicornuta action may be reinforced by simultaneous hatches of Paraleptophlebia debilis.
The bicornuta action may be reinforced by simultaneous hatches of Paraleptophlebia debilis.
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