Cotton Aphid vs Ornate Shieldbug

Side-by-side species comparison

Attribute Cotton Aphid Ornate Shieldbug
Scientific Name Aphis gossypii Eurydema ornata
Order Hemiptera Hemiptera
Family Aphididae Pentatomidae
Size 1-1.8 mm 6-9 mm
Habitat Orchards Farmland
Diet Sap Feeders Sap Feeders
Regions Worldwide Southern Europe, Central Asia, North Africa
Conservation Not Evaluated Least Concern

Cotton Aphid

A small yellowish-green to dark green aphid that attacks cotton, cucurbits, and citrus worldwide. It transmits numerous plant viruses and produces copious honeydew.

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Did You Know?

Its body color varies from yellow to nearly black depending on temperature, crowding, and host plant quality.

Ornate Shieldbug

A vividly patterned shield bug with highly variable red, orange, white, or yellow markings on a black or metallic blue background. It feeds on brassica crops and wild crucifers.

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Did You Know?

No two individuals look exactly alike, as the species exhibits more than 30 named color pattern varieties.