South American Brown Stink Bug vs Black Bean Aphid

Side-by-side species comparison

Attribute South American Brown Stink Bug Black Bean Aphid
Scientific Name Euschistus heros Aphis fabae
Order Hemiptera Hemiptera
Family Pentatomidae Aphididae
Size 10-13 mm 1.5-3 mm
Habitat Underground Gardens
Diet Seed Feeders Sap Feeders
Regions Brazil, Argentina, Paraguay, Bolivia Europe, North America, Asia, Africa
Conservation Least Concern Not Evaluated

South American Brown Stink Bug

A dull brown shield bug and the most economically damaging stink bug in Brazilian soybean agriculture. It feeds on developing seed pods, causing major yield losses.

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Did You Know?

A single bug feeding on a soybean pod for just one day can reduce seed weight by up to 20 percent.

Black Bean Aphid

A soft-bodied black aphid that forms dense colonies on beans, sugar beet, and many garden plants. It overwinters as eggs on spindle trees and migrates to crops in spring.

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Did You Know?

A single aphid can produce billions of descendants in one growing season through rapid asexual reproduction.