Birch Catkin Bug vs Desert Stink Bug

Side-by-side species comparison

Attribute Birch Catkin Bug Desert Stink Bug
Scientific Name Kleidocerys resedae Chlorochroa ligata
Order Hemiptera Hemiptera
Family Lygaeidae Pentatomidae
Size 4-5 mm 12-16 mm
Habitat Woodlands Deserts & Drylands
Diet Seed Feeders Sap Feeders
Regions Europe, northern Asia, North America North America
Conservation Least Concern Least Concern

Birch Catkin Bug

A small, oval brown seed bug that feeds on birch and alder catkins. It is very common in northern Europe and can form large swarms in autumn. It sometimes enters buildings in large numbers seeking overwintering shelter.

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Did You Know?

In autumn, enormous swarms of thousands can descend on buildings near birch trees, alarming homeowners despite the bugs being completely harmless.

Desert Stink Bug

A green shield bug with a distinctive orange or red border found in arid western North America. It feeds on a variety of desert shrubs and weeds.

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Did You Know?

It releases a pungent chemical from thoracic glands that smells like cilantro to some people.