Yellow-Horned Horntail vs Corn Earworm Egg Parasitoid

Side-by-side species comparison

Attribute Yellow-Horned Horntail Corn Earworm Egg Parasitoid
Scientific Name Urocerus flavicornis Trichogramma pretiosum
Order Hymenoptera Hymenoptera
Family Siricidae Trichogrammatidae
Size 20-35 mm 0.3-0.5 mm
Habitat Forests Farmland
Diet Wood Feeders Parasitoids
Regions Europe, temperate Asia North America, South America
Conservation Least Concern Least Concern

Yellow-Horned Horntail

A large wood wasp distinguished by its yellow antennae contrasting with a dark metallic blue-black body. Females bore into conifer wood to lay eggs.

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Did You Know?

Adults often emerge from lumber used in construction, sometimes surprising homeowners years after the wood was milled.

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.