Iowa: New Trapping Network for Corn Rootworm May 26, 2020

🕔May 26, 2020
Western and northern corn rootworms are serious corn pests in Iowa and the Corn Belt, reportedly responsible for over 1 billion dollars in yield loss and control costs annually in […]

Iowa: Scouting Recommendations for Black Cutworm May 11, 2020

🕔May 11, 2020
Black cutworm (BCW) is a migratory pest that arrives in Iowa with spring storms each year. BCW moths lay eggs in and near crop fields, and larvae can cut corn […]

Iowa: How Have Insects Fared Fluctuating Temperatures? Apr 23, 2020

🕔Apr 23, 2020
The weather this year has been quite variable – several warm days followed by a cold, snowy week in April is just one example of the dramatic changes we’ve experienced […]

Iowa: Management Considerations for Slugs – Do Insecticides Work? Mar 19, 2020

🕔Mar 19, 2020
With recent weather patterns, specifically high rainfall leading to wet soil conditions, some farmers have experienced damaging populations of slugs in their no-till fields. No-till fields are particularly affected since […]

Iowa: Corteva to End Chlorpyrifos Production – What Does It Mean for Farmers? Feb 25, 2020

🕔Feb 25, 2020
Chlorpyrifos is an organophosphate insecticide (Group 1B; IRAC) used to kill insects and mites on crops, buildings, animals, and other settings. All indoor uses of chlorpyrifos were phased out in […]

Iowa Soybeans: 2019 Insecticide Evaluations Jan 16, 2020

🕔Jan 16, 2020
The 2019 growing season was challenging for farmers in many parts of the state, especially because cold and wet soil conditions in April significantly delayed planting. Thistle caterpillar was the most […]

Iowa: Corn Earworm Activity Picks Up Sep 24, 2019

🕔Sep 24, 2019
Corn earworm  is common in Iowa corn. It is a migratory pest, migrating from the southern and southeastern U.S. every summer. There are two general fights to the Midwest every […]

Iowa Corn: Assessing Rootworm Activity Using Sticky Traps Jul 26, 2019

🕔Jul 26, 2019
Western and northern corn rootworm are major corn pests in Iowa and surrounding states (Photos 1 and 2). Farmers have seen several management changes, including the release of four Bt-rootworm […]

Iowa Soybeans: Thistle Caterpillars on Their Way Out? Jul 24, 2019

🕔Jul 24, 2019
Today for the first time this summer, I started to notice a few thistle caterpillars that didn’t look quite right. Some were very dark, some look deflated and some were […]

Soybeans: Keep Scouting for Insects – Especially This Year – DTN Jun 25, 2019

🕔Jun 25, 2019
Only about half of the country’s soybeans have emerged, but some insect pests are already out and about, waiting for them. Entomologists and agronomists have reported sightings of soybean aphids, […]

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