Gyas Beetle vs Brown Stink Bug

Side-by-side species comparison

Attribute Gyas Beetle Brown Stink Bug
Scientific Name Dynastes gyas Euschistus servus
Order Coleoptera Hemiptera
Family Dynastinae Pentatomidae
Size 50-110 mm 11-15 mm
Habitat Forests Farmland
Diet Sap Feeders Sap Feeders
Regions Brazil North America
Conservation Not Evaluated Least Concern

Gyas Beetle

A large South American relative of the Hercules beetle with shorter, thicker horns. Body is dark brown to black.

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Did You Know?

Unlike the Hercules beetle, their elytra remain dark and do not change color with humidity.

Brown Stink Bug

A dull brownish shield bug common throughout North America. It has a typical pentatomid shape with slightly pointed shoulders. It is a significant pest of cotton, soybeans, and corn.

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Did You Know?

This species overwinters as an adult under leaf litter and can survive temperatures well below freezing.