American Marsh Treader vs Orange-spotted Emerald

Side-by-side species comparison

Attribute American Marsh Treader Orange-spotted Emerald
Scientific Name Hydrometra martini Oxygastra curtisii
Order Hemiptera Odonata
Family Hydrometridae Corduliidae
Size 8-11 mm 48-54 mm
Habitat Wetlands Rivers & Streams
Diet Predators Predators
Regions North America Europe, Africa
Conservation Least Concern Near Threatened

American Marsh Treader

A very thin, elongate bug with a head nearly as long as its thorax. It creeps slowly along floating debris and sphagnum mats at the edges of ponds and marshes.

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Did You Know?

It moves so slowly and deliberately that it rarely disturbs the water surface, making it nearly invisible to predators.

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.