Common Flower Bug vs Barn Swallow Bug

Side-by-side species comparison

Attribute Common Flower Bug Barn Swallow Bug
Scientific Name Anthocoris nemorum Oeciacus vicarius
Order Hemiptera Hemiptera
Family Anthocoridae Cimicidae
Size 3-4mm 3-4 mm
Habitat Orchards Woodlands
Diet Predators Blood Feeders
Regions Europe North America
Conservation Least Concern Least Concern

Common Flower Bug

A tiny brown bug that is a voracious predator of aphids, mites and psyllids. An important biological control agent.

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Did You Know?

Despite its tiny size it can consume dozens of aphids per day and is widely used in integrated pest management.

Barn Swallow Bug

A cimicid ectoparasite of cliff swallows and barn swallows in North America. It can bite humans in buildings after swallow nests are abandoned.

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Did You Know?

Swallow colonies may abandon heavily infested nesting sites and relocate to parasite-free locations.