Spotted Cucumber Beetle vs True Armyworm Moth

Side-by-side species comparison

Attribute Spotted Cucumber Beetle True Armyworm Moth
Scientific Name Diabrotica undecimpunctata Mythimna unipuncta
Order Coleoptera Lepidoptera
Family Chrysomelidae Noctuidae
Size 5-7mm 35-45 mm wingspan
Habitat Farmland Farmland
Diet Root Feeders Omnivores
Regions North America North America, South America, Europe, Africa, Oceania
Conservation Least Concern Least Concern

Spotted Cucumber Beetle

A yellowish-green beetle with eleven black spots on its elytra. It is a significant agricultural pest of cucurbits, corn, and other crops.

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Did You Know?

Its larvae are known as corn rootworms and can cause billions of dollars in crop damage annually.

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.