Picromerus Predatory Bug vs Horned Aphid

Side-by-side species comparison

Attribute Picromerus Predatory Bug Horned Aphid
Scientific Name Picromerus bidens Tuberaphis styraci
Order Hemiptera Hemiptera
Family Pentatomidae Hormaphididae
Size 11-14 mm 1-2.5 mm
Habitat Forests Forests
Diet Predators Sap Feeders
Regions Europe, northern Asia Japan, East Asia
Conservation Least Concern Not Evaluated

Picromerus Predatory Bug

A dark brown predatory stink bug with two prominent pronotal spines found across Europe. It is an important natural enemy of caterpillars in forests and orchards. Adults have a distinctly spiny appearance.

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Did You Know?

It hunts by gripping caterpillars many times its own weight with its strong forelegs while injecting paralyzing saliva, then draining the prey over several hours.

Horned Aphid

A social aphid from East Asia that forms colonies defended by sterile soldier nymphs with horned heads. They live on styrax trees and produce a single soldier caste.

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Did You Know?

Soldiers stab intruders with their sharp horns and inject a toxic secretion, dying in the process like a honeybee's suicide sting.