Purple Dun vs Blue Quill

Side-by-side species comparison

Attribute Purple Dun Blue Quill
Scientific Name Paraleptophlebia adoptiva Paraleptophlebia guttata
Order Ephemeroptera Ephemeroptera
Family Leptophlebiidae Leptophlebiidae
Size 7-10 mm 6-9 mm
Habitat Rivers & Streams Rivers & Streams
Diet Herbivores Detritivores
Regions North America North America
Conservation Least Concern Least Concern

Purple Dun

A small dark mayfly with purplish-gray wings found in eastern streams. Nymphs crawl among submerged leaf packs in moderate current.

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Did You Know?

Females drop their egg masses onto the water surface from a height of several feet while in flight.

Blue Quill

A delicate spring-emerging mayfly with bluish-gray body coloring. Nymphs prefer riffles with abundant leaf detritus in clean streams.

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Did You Know?

Anglers consider it one of the most important early-season hatches on trout streams.