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Mayfly Species Paraleptophlebia gregalis (Blue Quill)

This species produces fishable hatches, but it is not well-known in angling literature. This is due primarily to its range, which consists only of California and parts of Oregon. It is a small (by western Paraleptophlebia standards) Spring emerger that fills the niche taken by Paraleptophlebia heteronea in the rest of the West.  

Where & When


Region: West

Time Of Year (?): March through May; best in April and May


Nymph Biology


Environmental Tolerance: Tolerant of warm water




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