European Corn Borer vs Corn Earworm Egg Parasitoid

Side-by-side species comparison

Attribute European Corn Borer Corn Earworm Egg Parasitoid
Scientific Name Ostrinia nubilalis Trichogramma pretiosum
Order Lepidoptera Hymenoptera
Family Pyralidae Trichogrammatidae
Size 26-34 mm wingspan 0.3-0.5 mm
Habitat Farmland Farmland
Diet Herbivores Parasitoids
Regions Europe, North America, Asia, North Africa North America, South America
Conservation Least Concern Least Concern

European Corn Borer

A small yellowish-brown moth that is one of the most destructive crop pests in the world. Larvae bore into corn stalks, causing billions of dollars in damage annually.

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Did You Know?

Female moths use two different pheromone strains, effectively creating reproductively isolated populations.

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.

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Did You Know?

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