Caenis Mayfly vs Superb Jewelwing

Side-by-side species comparison

Attribute Caenis Mayfly Superb Jewelwing
Scientific Name Caenis horaria Calopteryx amata
Order Ephemeroptera Odonata
Family Caenidae Calopterygidae
Size 3-6 mm 50-60 mm
Habitat Rivers & Streams Rivers & Streams
Diet Detritivores Omnivores
Regions Europe Asia
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.

Superb Jewelwing

An East Asian damselfly with iridescent metallic green body and dark wings with blue-purple reflections. It inhabits clear streams across China, Korea, and Japan.

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Did You Know?

Males perform elaborate wing-clapping displays that create audible sounds to attract females.