Western Damsel Bug vs Corsair Assassin Bug

Side-by-side species comparison

Attribute Western Damsel Bug Corsair Assassin Bug
Scientific Name Nabis alternatus Rasahus hamatus
Order Hemiptera Hemiptera
Family Nabidae Reduviidae
Size 7-10 mm 18-24 mm
Habitat Farmland Underground
Diet Predators Omnivores
Regions Western North America North America, Central America, South America
Conservation Least Concern Least Concern

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.

Corsair Assassin Bug

A nocturnal assassin bug found across the Americas that is attracted to lights. Its painful bite is often mistaken for a kissing bug attack.

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Did You Know?

It is frequently attracted to porch lights and can deliver one of the most painful bites of any North American insect.