Western Damsel Bug vs Fungus Rove Beetle

Side-by-side species comparison

Attribute Western Damsel Bug Fungus Rove Beetle
Scientific Name Nabis alternatus Lordithon thoracicus
Order Hemiptera Coleoptera
Family Nabidae Staphylinidae
Size 7-10 mm 5-7 mm
Habitat Farmland Woodlands
Diet Predators Predators
Regions Western North America Europe, Northern Asia
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.

Fungus Rove Beetle

A colorful rove beetle of the Tachyporinae with a reddish-orange pronotum and dark elytra, typically found on bracket fungi. It preys on fly larvae developing in fungal fruiting bodies.

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Did You Know?

The bright orange and black coloration may serve as warning coloration, as the beetle produces unpleasant-tasting defensive compounds.