Insects

Diabrotica virgifera virgifera

Western corn rootworm (Diabrotica virgifera virgifera)
Latin Name Diabrotica virgifera virgifera
Common Name Western corn rootworm
Biology

Adults are ~6-9 mm, yellow with black stripes. Larvae feed on maize roots. One generation/year. Overwinters as eggs. Adults feed on leaves/silks .

Damage

Identical to D. barberi: root damage and virus transmission .

Distribution Regions

Native to Central America; invasive in North America and Europe (e.g., Hungary, Serbia) .

Monitoring

Same as D. barberi .

Recommended Traps

Same as D. barberi .

Literature review

Semiochemical evidence

The cited publications support the exact compound-species relationship. Formulation, ratio, loading, release rate and field lifetime depend on a validated lure protocol and are not inferred here.

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