Spiny Crawler Mayfly vs Orange-spotted Emerald

Side-by-side species comparison

Attribute Spiny Crawler Mayfly Orange-spotted Emerald
Scientific Name Ephemerella subvaria Oxygastra curtisii
Order Ephemeroptera Odonata
Family Ephemerellidae Corduliidae
Size 8-12 mm 48-54 mm
Habitat Rivers & Streams Rivers & Streams
Diet Detritivores Predators
Regions North America Europe, Africa
Conservation Least Concern Near Threatened

Spiny Crawler Mayfly

A mayfly important to fly anglers and known as the Hendrickson in fishing culture.

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Did You Know?

Its springtime hatch is one of the most anticipated events in fly fishing.

Orange-spotted Emerald

A rare metallic green dragonfly with golden spots along its abdomen.

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Did You Know?

It patrols in dappled sunlight along tree-lined river corridors.