Caenis Mayfly vs Pink Lady Mayfly

Side-by-side species comparison

Attribute Caenis Mayfly Pink Lady Mayfly
Scientific Name Caenis horaria Epeorus vitreus
Order Ephemeroptera Ephemeroptera
Family Caenidae Heptageniidae
Size 3-6 mm 9-12 mm
Habitat Rivers & Streams Rivers & Streams
Diet Detritivores Omnivores
Regions Europe North America
Conservation Least Concern Least Concern

Caenis Mayfly

One of the smallest mayflies, often called the 'angler's curse' because trout feed on them selectively. Larvae inhabit slow-flowing rivers and lake margins.

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Did You Know?

Caenis mayflies are called the angler's curse because their tiny size makes matching them with artificial flies nearly impossible.

Pink Lady Mayfly

A pale pinkish mayfly of eastern North American streams with a distinctly two-tailed nymph. Adults have translucent wings with a faint rosy tint.

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Did You Know?

The pink coloration of the adult body fades to white within minutes of death.