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Blue-winged Olives
Baetis

Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.

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Mayfly Species Paraleptophlebia helena (Mahogany Dun)

This large species of Paraleptophlebia is one of the tusked group. Records indicate it is endemic to California where it fills the niche taken by Paraleptophlebia bicornuta in neighboring states. It usually hatches with the more common and very similar looking duns of Paraleptophlebia debilis.

Where & when

Time of year : Fall

This species is locally important in California only.
Species Range

Start a Discussion of Paraleptophlebia helena

References

Mayfly Species Paraleptophlebia helena (Mahogany Dun)

Species Range
Common Name
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