πŸͺ² Beetles

Western Corn Rootworm

Diabrotica virgifera

Not Evaluated

About Western Corn Rootworm

One of the most economically damaging corn pests in North America. Larvae feed on corn roots, causing plants to lodge and reducing yields.

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Did You Know?

This beetle costs U.S. farmers over one billion dollars annually in crop losses and control expenses.

How to Identify Western Corn Rootworm

Western Corn Rootworm (Diabrotica virgifera) belongs to the order Coleoptera, family Chrysomelidae. Adults typically measure 5-7 mm.

Western Corn Rootworm Habitat

Western Corn Rootworm is found in farmland habitats, particularly across North America, Europe. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.

Western Corn Rootworm Diet and Feeding

Western Corn Rootworm feeds on plant roots, typically during its larval stage. Root feeders can affect plant health and are sometimes considered agricultural pests.

Where Is Western Corn Rootworm Found?

Western Corn Rootworm can be found in North America, Europe, where it inhabits farmland environments. Its distribution is influenced by climate, food availability, and habitat suitability.

Distribution Map

Where Western Corn Rootworm can be found

Is Western Corn Rootworm Dangerous?

Western Corn Rootworm is generally harmless to humans. It does not bite or sting and poses no significant health risk. Like most insects, it prefers to avoid human contact and will typically flee rather than confront a perceived threat.

Western Corn Rootworm Role in Nature

Western Corn Rootworm is part of the food web as a primary consumer, feeding on plant material. It serves as an important food source for birds, bats, amphibians, and other insectivores, connecting plant energy to higher trophic levels.

Seasonal Activity

Jan
Feb
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Peak activity Moderate Low / dormant

Frequently Asked Questions About Western Corn Rootworm

What does Western Corn Rootworm look like?

The Western Corn Rootworm typically measures 5-7 mm.

Where is Western Corn Rootworm found?

The Western Corn Rootworm is found in North America, Europe and typically inhabits farmland environments.

What does Western Corn Rootworm eat?

The Western Corn Rootworm feeds on plant roots.

Is Western Corn Rootworm dangerous to humans?

The Western Corn Rootworm is generally harmless to humans. It does not bite or sting and poses no significant health risk.

Is Western Corn Rootworm endangered?

The Western Corn Rootworm is currently classified as Not Evaluated by conservation assessments. Habitat loss and environmental changes are among the primary threats to its population.

What is an interesting fact about Western Corn Rootworm?

This beetle costs U.S. farmers over one billion dollars annually in crop losses and control expenses.

Cite This Page

APA:
InsectDiscover. (2026). Western Corn Rootworm (Diabrotica virgifera). Retrieved from https://insectdiscover.com/insect/western-corn-rootworm

MLA:
"Western Corn Rootworm." InsectDiscover, https://insectdiscover.com/insect/western-corn-rootworm.