Corn rootworm caused more than 342 million bushels of yield loss in 2024. That’s over 80 million bushels more than losses from all other invertebrate corn pests combined.¹ It’s a challenging pest to ...

AMES, Iowa – A researcher at Iowa State University is urging Iowa farmers to adopt a diverse range of pest management tactics to suppress the resistance of western corn rootworm to Bt corn, a widely ...

Volunteer corn is more prevalent in the 2022 growing season and can cause some yield losses, but Bruce Potter, an integrated pest management specialist at the University of Minnesota Southwest ...

Beetle capture data reveals pest numbers are rising, with 31% of sampled fields exceeding economic thresholds.

ST. LOUIS--(BUSINESS WIRE)--Corn rootworm remains one of the most damaging pests in U.S. corn production, causing an estimated $1 billion in losses each year. To help farmers get ahead of this ...

Corn rootworm is rearing its tiny head in abundance in a growing number of corn fields in the Corn Belt, according to experts in the field. University of Minnesota Extension corn entomologist Fei Yang ...

Corn that contains proteins that protect it from insect damage has been grown in the U.S. since the mid-1990s. Known as Bt corn, because the proteins are derived from a bacterium called Bacillus ...

AMES, Iowa — Corn rootworms have been managed with crop rotation but some Northern and Western corn rootworms have adapted to corn-soybean rotations, says Jon Tollefson, chairman of the Iowa State ...

Corn that contains proteins that protect it from insect damage has been grown in the U.S. since the mid-1990s. Known as Bt corn because the proteins are derived from a bacterium called Bacillus ...

WESLEY, Iowa — Western corn rootworm is a big challenge, said Erin Hodgson, ISU Extension entomologist. She shared research and management recommendations at the recent North Central Iowa Research ...

An analysis of data covering 12 years and 10 U.S. Corn Belt states reveals that farmers suffer economic loss from the over-application of genetically engineered corn designed to combat rootworm pests.

Corn rootworm larvae, slender and white with a dark head and tail plate at the tip of the abdomen, will float to the surface. Scouting for larvae and assessing root injury four weeks after peak hatch ...