Toadflax Seed Weevil vs True Armyworm Moth

Side-by-side species comparison

Attribute Toadflax Seed Weevil True Armyworm Moth
Scientific Name Gymnetron antirrhini Mythimna unipuncta
Order Coleoptera Lepidoptera
Family Curculionidae Noctuidae
Size 2-3 mm 35-45 mm wingspan
Habitat Farmland Farmland
Diet Seed Feeders Omnivores
Regions Europe North America, South America, Europe, Africa, Oceania
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.

True Armyworm Moth

A tawny-brown moth with a single white dot on each forewing. Its larvae march in armies across fields, devastating cereal crops.

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Did You Know?

Larvae travel in large groups across the ground like a marching army, hence the common name.