Western Corn Rootworm

Ana Vélez looks through container of insects to camera in lab
Ana Vélez, associate professor of entomology, directs multiple projects in her lab, researching new genetic tools to help combat the western corn rootworm, one of the world's most devastating crop pests. (Photo by Craig Chandler, University Communication and Marketing)

Vélez is a Leader in Genetic Technology to Contain Corn Rootworm

May 2, 2024
Husker scientist Ana Maria Vélez is pioneering a genetic technology that increases larvae mortality to suppress western corn rootworm, which annually causes up to $2 billion in yield loss and control costs in the Corn Belt.

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Farmer inspects corn field
Nebraska On-Farm Research Network photo

Growing Results: Western Corn Rootworm Control

August 9, 2023
Nebraska farmers are conducting on-farm research to investigate alternative strategies for controlling western corn rootworm.

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Overwintering sawfly larva
The recent temperature extremes will not provide adequate control of pests such as this overwintering sawfly larva.

How Have the Cold February Temperatures Affected Insect Overwintering in Nebraska?

February 26, 2021
Extension specialists detail what effect February's bitter temperatures and snow cover may have on overwintering insects in Nebraska.

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Western corn rootworm beetle feeding on a leaf of corn

Western Corn Rootworm Beetles Emerging, Time to Scout

July 7, 2020
Western corn rootworm beetles began emerging in southeast and south central Nebraska at the end of June. Beetles emerge somewhat later in northeastern and western Nebraska.

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