Broad-Shouldered Water Strider vs Western Damsel Bug

Side-by-side species comparison

Attribute Broad-Shouldered Water Strider Western Damsel Bug
Scientific Name Microvelia americana Nabis alternatus
Order Hemiptera Hemiptera
Family Veliidae Nabidae
Size 1.5-2.5 mm 7-10 mm
Habitat Ponds & Lakes Farmland
Diet Omnivores Predators
Regions North America, Central America, South America Western North America
Conservation Least Concern Least Concern

Broad-Shouldered Water Strider

A tiny water strider relative that walks on the surface of ponds and puddles. It is widespread across the Americas on still freshwater.

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Did You Know?

At barely 2 mm long, it is so small that it can walk on water trapped in a single hoofprint.

Western Damsel Bug

A tan to light brown predatory bug common in agricultural fields across western North America. It has elongate forelegs adapted for capturing prey. It is valued as a natural biological control agent in alfalfa and other crops.

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Did You Know?

It is one of the most abundant generalist predators in western alfalfa fields and can significantly reduce lygus bug populations without any pesticide intervention.