Corn Earworm Egg Parasitoid vs Red-legged Shieldback Ground Beetle

Side-by-side species comparison

Attribute Corn Earworm Egg Parasitoid Red-legged Shieldback Ground Beetle
Scientific Name Trichogramma pretiosum Badister bullatus
Order Hymenoptera Coleoptera
Family Trichogrammatidae Carabidae
Size 0.3-0.5 mm 5-7 mm
Habitat Farmland Farmland
Diet Parasitoids Predators
Regions North America, South America Europe, western Asia
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.

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Did You Know?

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

Red-legged Shieldback Ground Beetle

A small, attractively colored ground beetle with a reddish-orange head and legs contrasting with dark elytra. It is a snail egg predator found across Europe and known for its specialized diet.

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Did You Know?

It is one of the few ground beetle species that specializes in finding and eating slug and snail eggs underground, making it a valuable natural control for these garden pests.