Corn Earworm Egg Parasitoid vs Brown Stink Bug

Side-by-side species comparison

Attribute Corn Earworm Egg Parasitoid Brown Stink Bug
Scientific Name Trichogramma pretiosum Euschistus servus
Order Hymenoptera Hemiptera
Family Trichogrammatidae Pentatomidae
Size 0.3-0.5 mm 11-15 mm
Habitat Farmland Farmland
Diet Parasitoids Sap Feeders
Regions North America, South America North America
Conservation Least Concern Least Concern

Corn Earworm Egg Parasitoid

A microscopic egg parasitoid wasp used extensively against cotton bollworm and corn earworm. It is the most commercially produced beneficial insect in the Americas.

💡

Did You Know?

Millions of these wasps are released per hectare in a single application for pest control.

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.

💡

Did You Know?

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