Toadflax Seed Weevil vs Chilean Green Lacewing

Side-by-side species comparison

Attribute Toadflax Seed Weevil Chilean Green Lacewing
Scientific Name Gymnetron antirrhini Chrysoperla externa
Order Coleoptera Neuroptera
Family Curculionidae Chrysopidae
Size 2-3 mm 14-22 mm wingspan
Habitat Farmland Farmland
Diet Seed Feeders Omnivores
Regions Europe South America, Central America
Conservation Least Concern Least Concern

Toadflax Seed Weevil

A small dark weevil that develops inside the seed capsules of toadflax and snapdragon plants. Larvae consume developing seeds. Part of the biological control program for invasive toadflax.

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Did You Know?

Larvae can destroy up to 90% of seeds in a toadflax capsule, significantly reducing plant reproduction.

Chilean Green Lacewing

The most common green lacewing in South America with a broad distribution. Extensively used for biological control in Brazilian agriculture.

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Did You Know?

Brazilian farmers rear millions of these lacewings annually for release in soybean and cotton fields.