Diamondback Eumolpid vs Soybean Aphid

Side-by-side species comparison

Attribute Diamondback Eumolpid Soybean Aphid
Scientific Name Colaspis brunnea Aphis glycines
Order Coleoptera Hemiptera
Family Chrysomelidae Aphididae
Size 4-5 mm 1-1.5 mm
Habitat Farmland Farmland
Diet Root Feeders Sap Feeders
Regions Eastern North America North America, East Asia
Conservation Least Concern Not Evaluated

Diamondback Eumolpid

A small, oblong beetle with a pale brown to yellowish body and rows of punctures on the elytra. Larvae are known as grape colaspis and damage roots of various crops.

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Did You Know?

Larvae are most damaging to corn and soybean planted after clover, as populations build up in clover root zones before crop rotation.

Soybean Aphid

A small pale yellow aphid that invaded North America in 2000 and became the most important soybean pest on the continent. Dense colonies stunt plants and reduce pod fill.

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Did You Know?

Populations can double every two to three days under favorable conditions, reaching tens of thousands per plant.