Woolly Hackberry Aphid vs Horned Aphid

Side-by-side species comparison

Attribute Woolly Hackberry Aphid Horned Aphid
Scientific Name Shivaphis celti Tuberaphis styraci
Order Hemiptera Hemiptera
Family Aphididae Hormaphididae
Size 1-2 mm 1-2.5 mm
Habitat Woodlands Forests
Diet Predators Sap Feeders
Regions East Asia, introduced to North America Japan, East Asia
Conservation Not Evaluated Not Evaluated

Woolly Hackberry Aphid

A waxy-white social aphid that feeds on hackberry trees and is notable for its cooperative colony defense. Large groups coordinate to kick and push predators off leaf surfaces.

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Did You Know?

They produce copious white waxy filaments that can accumulate like snow under heavily infested hackberry trees.

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.